56672667137 has 8 divisors (see below), whose sum is σ = 57605932032. Its totient is φ = 55739538000.

The previous prime is 56672667133. The next prime is 56672667193. The reversal of 56672667137 is 73176627665.

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

It is a cyclic number.

It is not a de Polignac number, because 56672667137 - 2² = 56672667133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56672667133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1137728 + ... + 1186494.

It is an arithmetic number, because the mean of its divisors is an integer number (7200741504).

Almost surely, 2^56672667137 is an apocalyptic number.

It is an amenable number.

56672667137 is a deficient number, since it is larger than the sum of its proper divisors (933264895).

56672667137 is a wasteful number, since it uses less digits than its factorization.

56672667137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67879.

The product of its digits is 13335840, while the sum is 56.

The spelling of 56672667137 in words is "fifty-six billion, six hundred seventy-two million, six hundred sixty-seven thousand, one hundred thirty-seven".