Interesting fact:

Because there are so many ways to arrange a pack of cards, if you shuffle a pack properly, the chances are that exact order has never been before in the whole history of the universe! That’s because, wait for it, there are 80,658,175,170,943,878,571,660,636,856, 403,766,975,289,505,440,883,277,824,000,000,000,000 ways to arrange a pack of cards.