56700501066 has 40 divisors (see below), whose sum is σ = 138601229184. Its totient is φ = 17181969480.

The previous prime is 56700501023. The next prime is 56700501073. The reversal of 56700501066 is 66010500765.

It is a happy number.

It is a super-2 number, since 2×56700501066² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56700501066.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15907450 + ... + 15911013.

Almost surely, 2^56700501066 is an apocalyptic number.

56700501066 is an abundant number, since it is smaller than the sum of its proper divisors (81900728118).

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

56700501066 is a wasteful number, since it uses less digits than its factorization.

56700501066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31818488 (or 31818479 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The spelling of 56700501066 in words is "fifty-six billion, seven hundred million, five hundred one thousand, sixty-six".