664474741004 has 12 divisors (see below), whose sum is σ = 1162924834344. Its totient is φ = 332210502624.

The previous prime is 664474740997. The next prime is 664474741043. The reversal of 664474741004 is 400147474466.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 664474741004.

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, 6661274 + ... + 6760289.

It is an arithmetic number, because the mean of its divisors is an integer number (96910402862).

Almost surely, 2^664474741004 is an apocalyptic number.

It is an amenable number.

664474741004 is a deficient number, since it is larger than the sum of its proper divisors (498450093340).

664474741004 is a wasteful number, since it uses less digits than its factorization.

664474741004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13433944 (or 13433942 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 664474741004 in words is "six hundred sixty-four billion, four hundred seventy-four million, seven hundred forty-one thousand, four".