15715916 has 6 divisors (see below), whose sum is σ = 27502860. Its totient is φ = 7857956.

The previous prime is 15715901. The next prime is 15715919. The reversal of 15715916 is 61951751.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (15715919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1964486 + ... + 1964493.

It is an arithmetic number, because the mean of its divisors is an integer number (4583810).

Almost surely, 2^15715916 is an apocalyptic number.

It is an amenable number.

15715916 is a deficient number, since it is larger than the sum of its proper divisors (11786944).

15715916 is a wasteful number, since it uses less digits than its factorization.

15715916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928983 (or 3928981 counting only the distinct ones).

The product of its digits is 9450, while the sum is 35.

The square root of 15715916 is about 3964.3304604939. The cubic root of 15715916 is about 250.4839479065.

The spelling of 15715916 in words is "fifteen million, seven hundred fifteen thousand, nine hundred sixteen".