655664324 has 12 divisors (see below), whose sum is σ = 1311328704. Its totient is φ = 280998984.

The previous prime is 655664323. The next prime is 655664351. The reversal of 655664324 is 423466556.

It is a happy number.

655664324 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (655664323) 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, 11708264 + ... + 11708319.

It is an arithmetic number, because the mean of its divisors is an integer number (109277392).

Almost surely, 2^655664324 is an apocalyptic number.

It is an amenable number.

655664324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655664324 is a wasteful number, since it uses less digits than its factorization.

655664324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23416594 (or 23416592 counting only the distinct ones).

The product of its digits is 518400, while the sum is 41.

The square root of 655664324 is about 25605.9431382638. The cubic root of 655664324 is about 868.7480667693.

The spelling of 655664324 in words is "six hundred fifty-five million, six hundred sixty-four thousand, three hundred twenty-four".