16864317904 has 20 divisors (see below), whose sum is σ = 37342418464. Its totient is φ = 7227564768.

The previous prime is 16864317893. The next prime is 16864317929. The reversal of 16864317904 is 40971346861.

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, 75287022 + ... + 75287245.

Almost surely, 2^16864317904 is an apocalyptic number.

16864317904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16864317904 is an abundant number, since it is smaller than the sum of its proper divisors (20478100560).

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

16864317904 is a wasteful number, since it uses less digits than its factorization.

16864317904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150574282 (or 150574276 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 16864317904 in words is "sixteen billion, eight hundred sixty-four million, three hundred seventeen thousand, nine hundred four".