56633196818 has 8 divisors (see below), whose sum is σ = 92672503920. Its totient is φ = 25742362180.

The previous prime is 56633196797. The next prime is 56633196833. The reversal of 56633196818 is 81869133665.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287118088 + ... + 1287118131.

It is an arithmetic number, because the mean of its divisors is an integer number (11584062990).

Almost surely, 2^56633196818 is an apocalyptic number.

56633196818 is a deficient number, since it is larger than the sum of its proper divisors (36039307102).

56633196818 is a wasteful number, since it uses less digits than its factorization.

56633196818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2574236232.

The product of its digits is 5598720, while the sum is 56.

The spelling of 56633196818 in words is "fifty-six billion, six hundred thirty-three million, one hundred ninety-six thousand, eight hundred eighteen".