15750249916 has 12 divisors (see below), whose sum is σ = 27662444488. Its totient is φ = 7846694352.

The previous prime is 15750249859. The next prime is 15750249929. The reversal of 15750249916 is 61994205751.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 15750249916.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7106406 + ... + 7108621.

Almost surely, 2^15750249916 is an apocalyptic number.

It is an amenable number.

15750249916 is a deficient number, since it is larger than the sum of its proper divisors (11912194572).

15750249916 is a wasteful number, since it uses less digits than its factorization.

15750249916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14215308 (or 14215306 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 15750249916 in words is "fifteen billion, seven hundred fifty million, two hundred forty-nine thousand, nine hundred sixteen".