Former New York Mayor Michael Bloomberg said he fired his advisers who told him "a New York billionaire who's changed parties a number of times couldn't be elected," in an interview with CBS "Late Show" host Stephen Colbert.

"The 2016 election, there was a lot of talk, a lot of rumors that you were thinking about running. Were you seriously considering?" asked Colbert.

"Yeah, sure," Bloomberg, who was rumored to run as an independent, responded.

"OK, you evidently did not see a path to victory," Colbert said.

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"Well, my advisers told me that a New York billionaire who's changed parties a number of times couldn't be elected. So I fired them," Bloomberg said without cracking a smile.

"Do you have any regrets? Because, you know, people said that about Trump, as you just alluded to. Do you have any regrets that you didn’t run?" Colbert asked.

"No, I never look back," Bloomberg said.

Bloomberg was once a registered Democrat before becoming a Republican shortly before running for mayor of New York in 2001.

He would go on to serve three consecutive terms, the final as an Independent.

The 75-year-old's net worth is estimated at $56 billion, according to CelebrityNetWorth.com, which ranks him as the 10th richest person in the world.