15966056 has 16 divisors (see below), whose sum is σ = 30667140. Its totient is φ = 7788160.

The previous prime is 15966053. The next prime is 15966089. The reversal of 15966056 is 65066951.

It can be written as a sum of positive squares in 2 ways, for example, as 14945956 + 1020100 = 3866^2 + 1010^2 .

It is not an unprimeable number, because it can be changed into a prime (15966053) 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, 24011 + ... + 24666.

Almost surely, 2^15966056 is an apocalyptic number.

It is an amenable number.

15966056 is a deficient number, since it is larger than the sum of its proper divisors (14701084).

15966056 is a wasteful number, since it uses less digits than its factorization.

15966056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48724 (or 48720 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The square root of 15966056 is about 3995.7547472286. The cubic root of 15966056 is about 251.8058889830.

The spelling of 15966056 in words is "fifteen million, nine hundred sixty-six thousand, fifty-six".