68646908304 has 120 divisors (see below), whose sum is σ = 211705894400. Its totient is φ = 20630889216.

The previous prime is 68646908257. The next prime is 68646908357. The reversal of 68646908304 is 40380964686.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345904 + ... + 506895.

Almost surely, 2^68646908304 is an apocalyptic number.

It is an amenable number.

68646908304 is an abundant number, since it is smaller than the sum of its proper divisors (143058986096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68646908304 is a wasteful number, since it uses less digits than its factorization.

68646908304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852869 (or 852860 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The spelling of 68646908304 in words is "sixty-eight billion, six hundred forty-six million, nine hundred eight thousand, three hundred four".