16584275916 has 72 divisors (see below), whose sum is σ = 45162097344. Its totient is φ = 5101044480.

The previous prime is 16584275909. The next prime is 16584275987. The reversal of 16584275916 is 61957248561.

It is a happy number.

16584275916 is a `hidden beast` number, since 1 + 6 + 5 + 8 + 42 + 7 + 591 + 6 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1994680 + ... + 2002976.

It is an arithmetic number, because the mean of its divisors is an integer number (627251352).

Almost surely, 2^16584275916 is an apocalyptic number.

It is an amenable number.

16584275916 is an abundant number, since it is smaller than the sum of its proper divisors (28577821428).

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

16584275916 is a wasteful number, since it uses less digits than its factorization.

16584275916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12591 (or 12586 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 16584275916 in words is "sixteen billion, five hundred eighty-four million, two hundred seventy-five thousand, nine hundred sixteen".