56664067612 has 24 divisors (see below), whose sum is σ = 104410731600. Its totient is φ = 26833274496.

The previous prime is 56664067609. The next prime is 56664067627. The reversal of 56664067612 is 21676046665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169314 + ... + 376822.

It is an arithmetic number, because the mean of its divisors is an integer number (4350447150).

Almost surely, 2^56664067612 is an apocalyptic number.

It is an amenable number.

56664067612 is a deficient number, since it is larger than the sum of its proper divisors (47746663988).

56664067612 is a wasteful number, since it uses less digits than its factorization.

56664067612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211125 (or 211123 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 56664067612 in words is "fifty-six billion, six hundred sixty-four million, sixty-seven thousand, six hundred twelve".