16497864 has 32 divisors (see below), whose sum is σ = 45828000. Its totient is φ = 5499216.

The previous prime is 16497851. The next prime is 16497883. The reversal of 16497864 is 46879461.

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, 37974 + ... + 38405.

It is an arithmetic number, because the mean of its divisors is an integer number (1432125).

Almost surely, 2^16497864 is an apocalyptic number.

It is an amenable number.

16497864 is an abundant number, since it is smaller than the sum of its proper divisors (29330136).

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

16497864 is a wasteful number, since it uses less digits than its factorization.

16497864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76394 (or 76384 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 16497864 is about 4061.7562703835. The cubic root of 16497864 is about 254.5711824026.

The spelling of 16497864 in words is "sixteen million, four hundred ninety-seven thousand, eight hundred sixty-four".