64566344 has 16 divisors (see below), whose sum is σ = 123638400. Its totient is φ = 31596112.

The previous prime is 64566343. The next prime is 64566377. The reversal of 64566344 is 44366546.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64566298 and 64566307.

It is not an unprimeable number, because it can be changed into a prime (64566343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85484 + ... + 86235.

It is an arithmetic number, because the mean of its divisors is an integer number (7727400).

Almost surely, 2^64566344 is an apocalyptic number.

It is an amenable number.

64566344 is a deficient number, since it is larger than the sum of its proper divisors (59072056).

64566344 is a wasteful number, since it uses less digits than its factorization.

64566344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171772 (or 171768 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 64566344 is about 8035.3185375566. The cubic root of 64566344 is about 401.1764200312.

The spelling of 64566344 in words is "sixty-four million, five hundred sixty-six thousand, three hundred forty-four".