56660940620 has 24 divisors (see below), whose sum is σ = 119002794288. Its totient is φ = 22661553600.

The previous prime is 56660940617. The next prime is 56660940629. The reversal of 56660940620 is 2604906665.

It is not an unprimeable number, because it can be changed into a prime (56660940629) 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, 7886 + ... + 336725.

It is an arithmetic number, because the mean of its divisors is an integer number (4958449762).

Almost surely, 2^56660940620 is an apocalyptic number.

It is an amenable number.

56660940620 is an abundant number, since it is smaller than the sum of its proper divisors (62341853668).

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

56660940620 is a wasteful number, since it uses less digits than its factorization.

56660940620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352841 (or 352839 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 56660940620 in words is "fifty-six billion, six hundred sixty million, nine hundred forty thousand, six hundred twenty".