15952664 has 64 divisors (see below), whose sum is σ = 39009600. Its totient is φ = 5935104.

The previous prime is 15952589. The next prime is 15952669. The reversal of 15952664 is 46625951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15952669) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11732 + ... + 13020.

It is an arithmetic number, because the mean of its divisors is an integer number (609525).

Almost surely, 2^15952664 is an apocalyptic number.

15952664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15952664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19504800).

15952664 is an abundant number, since it is smaller than the sum of its proper divisors (23056936).

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

15952664 is a wasteful number, since it uses less digits than its factorization.

15952664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332 (or 1328 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The square root of 15952664 is about 3994.0786171531. The cubic root of 15952664 is about 251.7354660861.

The spelling of 15952664 in words is "fifteen million, nine hundred fifty-two thousand, six hundred sixty-four".