56331613660 has 48 divisors (see below), whose sum is σ = 135275555520. Its totient is φ = 19302312960.

The previous prime is 56331613633. The next prime is 56331613717. The reversal of 56331613660 is 6631613365.

56331613660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121540 + ... + 356980.

It is an arithmetic number, because the mean of its divisors is an integer number (2818240740).

Almost surely, 2^56331613660 is an apocalyptic number.

It is an amenable number.

56331613660 is an abundant number, since it is smaller than the sum of its proper divisors (78943941860).

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

56331613660 is a wasteful number, since it uses less digits than its factorization.

56331613660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237166 (or 237164 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 40.

The spelling of 56331613660 in words is "fifty-six billion, three hundred thirty-one million, six hundred thirteen thousand, six hundred sixty".