16379988 has 24 divisors (see below), whose sum is σ = 38580192. Its totient is φ = 5408544.

The previous prime is 16379963. The next prime is 16379989. The reversal of 16379988 is 88997361.

It is a self number, because there is not a number n which added to its sum of digits gives 16379988.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16379989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5095 + ... + 7662.

It is an arithmetic number, because the mean of its divisors is an integer number (1607508).

Almost surely, 2^16379988 is an apocalyptic number.

It is an amenable number.

16379988 is an abundant number, since it is smaller than the sum of its proper divisors (22200204).

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

16379988 is a wasteful number, since it uses less digits than its factorization.

16379988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12871 (or 12869 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 16379988 is about 4047.2197864707. The cubic root of 16379988 is about 253.9634353301.

The spelling of 16379988 in words is "sixteen million, three hundred seventy-nine thousand, nine hundred eighty-eight".