56840120668 has 12 divisors (see below), whose sum is σ = 100065842352. Its totient is φ = 28249880000.

The previous prime is 56840120657. The next prime is 56840120717. The reversal of 56840120668 is 86602104865.

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 3 ways as a sum of consecutive naturals, for example, 42544333 + ... + 42545668.

It is an arithmetic number, because the mean of its divisors is an integer number (8338820196).

Almost surely, 2^56840120668 is an apocalyptic number.

It is an amenable number.

56840120668 is a deficient number, since it is larger than the sum of its proper divisors (43225721684).

56840120668 is a wasteful number, since it uses less digits than its factorization.

56840120668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85090172 (or 85090170 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 56840120668 in words is "fifty-six billion, eight hundred forty million, one hundred twenty thousand, six hundred sixty-eight".