56988633688966 has 32 divisors (see below), whose sum is σ = 97772645288448. Its totient is φ = 24404243008320.

The previous prime is 56988633688871. The next prime is 56988633688979. The reversal of 56988633688966 is 66988633688965.

56988633688966 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174894391 + ... + 175219933.

It is an arithmetic number, because the mean of its divisors is an integer number (3055395165264).

Almost surely, 2^{56988633688966} is an apocalyptic number.

56988633688966 is a deficient number, since it is larger than the sum of its proper divisors (40784011599482).

56988633688966 is a wasteful number, since it uses less digits than its factorization.

56988633688966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335476.

The product of its digits is 116095057920, while the sum is 91.

Subtracting 56988633688966 from its reverse (66988633688965), we obtain a palindrome (9999999999999).

The spelling of 56988633688966 in words is "fifty-six trillion, nine hundred eighty-eight billion, six hundred thirty-three million, six hundred eighty-eight thousand, nine hundred sixty-six".