16399832 has 16 divisors (see below), whose sum is σ = 32558760. Its totient is φ = 7717504.

The previous prime is 16399811. The next prime is 16399841. The reversal of 16399832 is 23899361.

It is a self number, because there is not a number n which added to its sum of digits gives 16399832.

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, 60158 + ... + 60429.

Almost surely, 2^16399832 is an apocalyptic number.

It is an amenable number.

16399832 is a deficient number, since it is larger than the sum of its proper divisors (16158928).

16399832 is a wasteful number, since it uses less digits than its factorization.

16399832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120610 (or 120606 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 16399832 is about 4049.6706038887. The cubic root of 16399832 is about 254.0659510063.

The spelling of 16399832 in words is "sixteen million, three hundred ninety-nine thousand, eight hundred thirty-two".