664598386948 has 12 divisors (see below), whose sum is σ = 1163053910592. Its totient is φ = 332297269640.

The previous prime is 664598386939. The next prime is 664598386957. The reversal of 664598386948 is 849683895466.

It is an interprime number because it is at equal distance from previous prime (664598386939) and next prime (664598386957).

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, 534561 + ... + 1270807.

It is an arithmetic number, because the mean of its divisors is an integer number (96921159216).

Almost surely, 2^664598386948 is an apocalyptic number.

It is an amenable number.

664598386948 is a deficient number, since it is larger than the sum of its proper divisors (498455523644).

664598386948 is a wasteful number, since it uses less digits than its factorization.

664598386948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961922 (or 961920 counting only the distinct ones).

The product of its digits is 2149908480, while the sum is 76.

The spelling of 664598386948 in words is "six hundred sixty-four billion, five hundred ninety-eight million, three hundred eighty-six thousand, nine hundred forty-eight".