56663362616 has 32 divisors (see below), whose sum is σ = 121471526880. Its totient is φ = 24274291200.

The previous prime is 56663362583. The next prime is 56663362663. The reversal of 56663362616 is 61626336665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70565 + ... + 343956.

It is an arithmetic number, because the mean of its divisors is an integer number (3795985215).

Almost surely, 2^56663362616 is an apocalyptic number.

56663362616 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56663362616 is an abundant number, since it is smaller than the sum of its proper divisors (64808164264).

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

56663362616 is a wasteful number, since it uses less digits than its factorization.

56663362616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416975 (or 416971 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 50.

The spelling of 56663362616 in words is "fifty-six billion, six hundred sixty-three million, three hundred sixty-two thousand, six hundred sixteen".