56666677604 has 12 divisors (see below), whose sum is σ = 104385985200. Its totient is φ = 26842110408.

The previous prime is 56666677603. The next prime is 56666677631. The reversal of 56666677604 is 40677666665.

It is a super-2 number, since 2×56666677604² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56666677601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372807014 + ... + 372807165.

It is an arithmetic number, because the mean of its divisors is an integer number (8698832100).

Almost surely, 2^56666677604 is an apocalyptic number.

It is an amenable number.

56666677604 is a deficient number, since it is larger than the sum of its proper divisors (47719307596).

56666677604 is a wasteful number, since it uses less digits than its factorization.

56666677604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745614202 (or 745614200 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 59.

The spelling of 56666677604 in words is "fifty-six billion, six hundred sixty-six million, six hundred seventy-seven thousand, six hundred four".