15960144 has 40 divisors (see below), whose sum is σ = 43657920. Its totient is φ = 5006848.

The previous prime is 15960097. The next prime is 15960163. The reversal of 15960144 is 44106951.

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 in 7 ways as a sum of consecutive naturals, for example, 8964 + ... + 10595.

It is an arithmetic number, because the mean of its divisors is an integer number (1091448).

Almost surely, 2^15960144 is an apocalyptic number.

It is an amenable number.

15960144 is an abundant number, since it is smaller than the sum of its proper divisors (27697776).

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

15960144 is a wasteful number, since it uses less digits than its factorization.

15960144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19587 (or 19581 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 15960144 is about 3995.0148935893. The cubic root of 15960144 is about 251.7748051177.

The spelling of 15960144 in words is "fifteen million, nine hundred sixty thousand, one hundred forty-four".