64316672365 has 16 divisors (see below), whose sum is σ = 84434913216. Its totient is φ = 46643238400.

The previous prime is 64316672359. The next prime is 64316672389. The reversal of 64316672365 is 56327661346.

It is not a de Polignac number, because 64316672365 - 2³⁵ = 29956933997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636951 + ... + 1675780.

It is an arithmetic number, because the mean of its divisors is an integer number (5277182076).

Almost surely, 2^64316672365 is an apocalyptic number.

It is an amenable number.

64316672365 is a deficient number, since it is larger than the sum of its proper divisors (20118240851).

64316672365 is a wasteful number, since it uses less digits than its factorization.

64316672365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313100.

The product of its digits is 3265920, while the sum is 49.

The spelling of 64316672365 in words is "sixty-four billion, three hundred sixteen million, six hundred seventy-two thousand, three hundred sixty-five".