667625656100560 has 80 divisors (see below), whose sum is σ = 1643692847210496. Its totient is φ = 251317632559104.

The previous prime is 667625656100549. The next prime is 667625656100587. The reversal of 667625656100560 is 65001656526766.

667625656100560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8856912 + ... + 37599151.

Almost surely, 2^{667625656100560} is an apocalyptic number.

It is an amenable number.

667625656100560 is an abundant number, since it is smaller than the sum of its proper divisors (976067191109936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667625656100560 is a wasteful number, since it uses less digits than its factorization.

667625656100560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46466660 (or 46466654 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 61.

The spelling of 667625656100560 in words is "six hundred sixty-seven trillion, six hundred twenty-five billion, six hundred fifty-six million, one hundred thousand, five hundred sixty".