64518364 has 6 divisors (see below), whose sum is σ = 112907144. Its totient is φ = 32259180.

The previous prime is 64518323. The next prime is 64518397. The reversal of 64518364 is 46381546.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8064792 + ... + 8064799.

Almost surely, 2^64518364 is an apocalyptic number.

It is an amenable number.

64518364 is a deficient number, since it is larger than the sum of its proper divisors (48388780).

64518364 is a wasteful number, since it uses less digits than its factorization.

64518364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16129595 (or 16129593 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 64518364 is about 8032.3324134401. The cubic root of 64518364 is about 401.0770224538.

The spelling of 64518364 in words is "sixty-four million, five hundred eighteen thousand, three hundred sixty-four".