16807992 has 32 divisors (see below), whose sum is σ = 42126480. Its totient is φ = 5588480.

The previous prime is 16807957. The next prime is 16807997. The reversal of 16807992 is 29970861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16807997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13642 + ... + 14822.

Almost surely, 2^16807992 is an apocalyptic number.

16807992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16807992 is an abundant number, since it is smaller than the sum of its proper divisors (25318488).

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

16807992 is a wasteful number, since it uses less digits than its factorization.

16807992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 16807992 is about 4099.7551146379. The cubic root of 16807992 is about 256.1564392127.

The spelling of 16807992 in words is "sixteen million, eight hundred seven thousand, nine hundred ninety-two".