56606667408 has 60 divisors (see below), whose sum is σ = 158819251708. Its totient is φ = 18821341440.

The previous prime is 56606667391. The next prime is 56606667431. The reversal of 56606667408 is 80476660665.

It can be written as a sum of positive squares in 2 ways, for example, as 48166203024 + 8440464384 = 219468^2 + 91872^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437923 + ... + 552258.

Almost surely, 2^56606667408 is an apocalyptic number.

It is an amenable number.

56606667408 is an abundant number, since it is smaller than the sum of its proper divisors (102212584300).

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

56606667408 is a wasteful number, since it uses less digits than its factorization.

56606667408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 990592 (or 990583 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 56606667408 in words is "fifty-six billion, six hundred six million, six hundred sixty-seven thousand, four hundred eight".