656110551656 has 32 divisors (see below), whose sum is σ = 1406053520640. Its totient is φ = 281169768768.

The previous prime is 656110551617. The next prime is 656110551659. The reversal of 656110551656 is 656155011656.

It is a self number, because there is not a number n which added to its sum of digits gives 656110551656.

It is not an unprimeable number, because it can be changed into a prime (656110551659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362726 + ... + 1201578.

It is an arithmetic number, because the mean of its divisors is an integer number (43939172520).

Almost surely, 2^656110551656 is an apocalyptic number.

It is an amenable number.

656110551656 is an abundant number, since it is smaller than the sum of its proper divisors (749942968984).

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

656110551656 is a wasteful number, since it uses less digits than its factorization.

656110551656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852833 (or 852829 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 47.

The spelling of 656110551656 in words is "six hundred fifty-six billion, one hundred ten million, five hundred fifty-one thousand, six hundred fifty-six".