66612568000 has 112 divisors (see below), whose sum is σ = 179963173728. Its totient is φ = 24222720000.

The previous prime is 66612567991. The next prime is 66612568013. The reversal of 66612568000 is 86521666.

66612568000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 290481 + ... + 466480.

Almost surely, 2^66612568000 is an apocalyptic number.

It is an amenable number.

66612568000 is an abundant number, since it is smaller than the sum of its proper divisors (113350605728).

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

66612568000 is a wasteful number, since it uses less digits than its factorization.

66612568000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756999 (or 756979 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 66612568000 in words is "sixty-six billion, six hundred twelve million, five hundred sixty-eight thousand".