66311407004 has 12 divisors (see below), whose sum is σ = 117171613104. Its totient is φ = 32833803264.

The previous prime is 66311406977. The next prime is 66311407013. The reversal of 66311407004 is 40070411366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80474597 + ... + 80475420.

It is an arithmetic number, because the mean of its divisors is an integer number (9764301092).

Almost surely, 2^66311407004 is an apocalyptic number.

It is an amenable number.

66311407004 is a deficient number, since it is larger than the sum of its proper divisors (50860206100).

66311407004 is a wasteful number, since it uses less digits than its factorization.

66311407004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160950124 (or 160950122 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The spelling of 66311407004 in words is "sixty-six billion, three hundred eleven million, four hundred seven thousand, four".