664592964959 has 8 divisors (see below), whose sum is σ = 828583436928. Its totient is φ = 517864647960.

The previous prime is 664592964913. The next prime is 664592965013. The reversal of 664592964959 is 959469295466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 664592964959 - 2²⁸ = 664324529503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664592964059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4315538657 + ... + 4315538810.

It is an arithmetic number, because the mean of its divisors is an integer number (103572929616).

Almost surely, 2^664592964959 is an apocalyptic number.

664592964959 is a deficient number, since it is larger than the sum of its proper divisors (163990471969).

664592964959 is a wasteful number, since it uses less digits than its factorization.

664592964959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631077485.

The product of its digits is 1133740800, while the sum is 74.

The spelling of 664592964959 in words is "six hundred sixty-four billion, five hundred ninety-two million, nine hundred sixty-four thousand, nine hundred fifty-nine".