666504031364 has 24 divisors (see below), whose sum is σ = 1274831244288. Its totient is φ = 303531246720.

The previous prime is 666504031351. The next prime is 666504031397. The reversal of 666504031364 is 463130405666.

666504031364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 158087084 + ... + 158091299.

It is an arithmetic number, because the mean of its divisors is an integer number (53117968512).

Almost surely, 2^666504031364 is an apocalyptic number.

It is an amenable number.

666504031364 is a deficient number, since it is larger than the sum of its proper divisors (608327212924).

666504031364 is a wasteful number, since it uses less digits than its factorization.

666504031364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316178435 (or 316178433 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 666504031364 in words is "six hundred sixty-six billion, five hundred four million, thirty-one thousand, three hundred sixty-four".