That's number of possible brackets that one could fill out for the 64-team NCAA Tournament. That's a little over 9.2 quintillion possibilities.

According to RJ Bell of Pregame.com, that would take you 292 trillion years to fill out all possible combination (at one per bracket per second.) Unfortunately, you only have a few more hours left to fill yours out before the first tip-off.

The good news is that you only need one pretty good bracket to claim eternal glory and the envy of all your co-workers. (And maybe money, if only gambling were legal.)

As the deadline approaches, here are a few last minute bracket odds, ends and tips:

We'll have plenty of more coverage as the day goes on, including live updates throughout the afternoon.