15664052 has 12 divisors (see below), whose sum is σ = 28296576. Its totient is φ = 7579320.

The previous prime is 15664043. The next prime is 15664067. The reversal of 15664052 is 25046651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63038 + ... + 63285.

It is an arithmetic number, because the mean of its divisors is an integer number (2358048).

Almost surely, 2^15664052 is an apocalyptic number.

It is an amenable number.

15664052 is a deficient number, since it is larger than the sum of its proper divisors (12632524).

15664052 is a wasteful number, since it uses less digits than its factorization.

15664052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126358 (or 126356 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 15664052 is about 3957.7837232471. The cubic root of 15664052 is about 250.2081040561.

The spelling of 15664052 in words is "fifteen million, six hundred sixty-four thousand, fifty-two".