66010642576 has 20 divisors (see below), whose sum is σ = 128030702832. Its totient is φ = 32970461216.

The previous prime is 66010642573. The next prime is 66010642637. The reversal of 66010642576 is 67524601066.

It is a happy number.

66010642576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66010642573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2163130 + ... + 2193433.

Almost surely, 2^66010642576 is an apocalyptic number.

It is an amenable number.

66010642576 is a deficient number, since it is larger than the sum of its proper divisors (62020060256).

66010642576 is a wasteful number, since it uses less digits than its factorization.

66010642576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4357518 (or 4357512 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 66010642576 in words is "sixty-six billion, ten million, six hundred forty-two thousand, five hundred seventy-six".