16404163900 has 18 divisors (see below), whose sum is σ = 35597035880. Its totient is φ = 6561665520.

The previous prime is 16404163883. The next prime is 16404163933. The reversal of 16404163900 is 936140461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82020720 + ... + 82020919.

Almost surely, 2^16404163900 is an apocalyptic number.

16404163900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16404163900 is an abundant number, since it is smaller than the sum of its proper divisors (19192871980).

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

16404163900 is a wasteful number, since it uses less digits than its factorization.

16404163900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164041653 (or 164041646 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

The spelling of 16404163900 in words is "sixteen billion, four hundred four million, one hundred sixty-three thousand, nine hundred".