56663696208 has 160 divisors (see below), whose sum is σ = 173563494400. Its totient is φ = 15588080640.

The previous prime is 56663696191. The next prime is 56663696209. The reversal of 56663696208 is 80269636665.

It is a super-3 number, since 3×56663696208³ (a number of 33 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56663696209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2059116 + ... + 2086452.

It is an arithmetic number, because the mean of its divisors is an integer number (1084771840).

Almost surely, 2^56663696208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56663696208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86781747200).

56663696208 is an abundant number, since it is smaller than the sum of its proper divisors (116899798192).

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

56663696208 is a wasteful number, since it uses less digits than its factorization.

56663696208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27585 (or 27579 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 57.

The spelling of 56663696208 in words is "fifty-six billion, six hundred sixty-three million, six hundred ninety-six thousand, two hundred eight".