656111413660 has 24 divisors (see below), whose sum is σ = 1377850896576. Its totient is φ = 262441341120.

The previous prime is 656111413651. The next prime is 656111413681. The reversal of 656111413660 is 66314111656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118525 + ... + 2408395.

It is an arithmetic number, because the mean of its divisors is an integer number (57410454024).

Almost surely, 2^656111413660 is an apocalyptic number.

It is an amenable number.

656111413660 is an abundant number, since it is smaller than the sum of its proper divisors (721739482916).

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

656111413660 is a wasteful number, since it uses less digits than its factorization.

656111413660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403053 (or 403051 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 656111413660 in words is "six hundred fifty-six billion, one hundred eleven million, four hundred thirteen thousand, six hundred sixty".