16087992 has 16 divisors (see below), whose sum is σ = 40220040. Its totient is φ = 5362656.

The previous prime is 16087969. The next prime is 16087997. The reversal of 16087992 is 29978061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16087997) 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, 335143 + ... + 335190.

Almost surely, 2^16087992 is an apocalyptic number.

16087992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16087992 is an abundant number, since it is smaller than the sum of its proper divisors (24132048).

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

16087992 is a wasteful number, since it uses less digits than its factorization.

16087992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670342 (or 670338 counting only the distinct ones).

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

The square root of 16087992 is about 4010.9839191899. The cubic root of 16087992 is about 252.4452948180.

The spelling of 16087992 in words is "sixteen million, eighty-seven thousand, nine hundred ninety-two".