656834608432 has 10 divisors (see below), whose sum is σ = 1272617053868. Its totient is φ = 328417304208.

The previous prime is 656834608429. The next prime is 656834608433. The reversal of 656834608432 is 234806438656.

656834608432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (656834608433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20526081498 + ... + 20526081529.

Almost surely, 2^656834608432 is an apocalyptic number.

It is an amenable number.

656834608432 is a deficient number, since it is larger than the sum of its proper divisors (615782445436).

656834608432 is a wasteful number, since it uses less digits than its factorization.

656834608432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41052163035 (or 41052163029 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 55.

The spelling of 656834608432 in words is "six hundred fifty-six billion, eight hundred thirty-four million, six hundred eight thousand, four hundred thirty-two".