680951554902 has 96 divisors (see below), whose sum is σ = 1511906497920. Its totient is φ = 221432400000.

The previous prime is 680951554901. The next prime is 680951554919. The reversal of 680951554902 is 209455159086.

680951554902 is a `hidden beast` number, since 6 + 8 + 0 + 95 + 1 + 5 + 549 + 0 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680951554901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74899377 + ... + 74908467.

It is an arithmetic number, because the mean of its divisors is an integer number (15749026020).

Almost surely, 2^680951554902 is an apocalyptic number.

680951554902 is an abundant number, since it is smaller than the sum of its proper divisors (830954943018).

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

680951554902 is a wasteful number, since it uses less digits than its factorization.

680951554902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690 (or 9687 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 680951554902 in words is "six hundred eighty billion, nine hundred fifty-one million, five hundred fifty-four thousand, nine hundred two".