16318992 has 40 divisors (see below), whose sum is σ = 42505216. Its totient is φ = 5394816.

The previous prime is 16318957. The next prime is 16319003. The reversal of 16318992 is 29981361.

It is a self number, because there is not a number n which added to its sum of digits gives 16318992.

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, 4758 + ... + 7434.

Almost surely, 2^16318992 is an apocalyptic number.

16318992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16318992 is an abundant number, since it is smaller than the sum of its proper divisors (26186224).

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

16318992 is a wasteful number, since it uses less digits than its factorization.

16318992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2809 counting only the distinct ones).

The product of its digits is 23328, while the sum is 39.

The square root of 16318992 is about 4039.6772148279. The cubic root of 16318992 is about 253.6478058397.

The spelling of 16318992 in words is "sixteen million, three hundred eighteen thousand, nine hundred ninety-two".