16823634984 has 96 divisors (see below), whose sum is σ = 50603745600. Its totient is φ = 5176491840.

The previous prime is 16823634977. The next prime is 16823635021. The reversal of 16823634984 is 48943632861.

16823634984 is a `hidden beast` number, since 1 + 68 + 236 + 349 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 16823634984.

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, 193932 + ... + 266939.

It is an arithmetic number, because the mean of its divisors is an integer number (527122350).

Almost surely, 2^16823634984 is an apocalyptic number.

It is an amenable number.

16823634984 is an abundant number, since it is smaller than the sum of its proper divisors (33780110616).

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

16823634984 is a wasteful number, since it uses less digits than its factorization.

16823634984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460912 (or 460889 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 54.

The spelling of 16823634984 in words is "sixteen billion, eight hundred twenty-three million, six hundred thirty-four thousand, nine hundred eighty-four".