16684624992 has 96 divisors (see below), whose sum is σ = 50083488000. Its totient is φ = 4764215808.

The previous prime is 16684624973. The next prime is 16684625003. The reversal of 16684624992 is 29942648661.

16684624992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×16684624992² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303359 + ... + 1316097.

It is an arithmetic number, because the mean of its divisors is an integer number (521703000).

Almost surely, 2^16684624992 is an apocalyptic number.

16684624992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16684624992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25041744000).

16684624992 is an abundant number, since it is smaller than the sum of its proper divisors (33398863008).

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

16684624992 is a wasteful number, since it uses less digits than its factorization.

16684624992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14708 (or 14700 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The spelling of 16684624992 in words is "sixteen billion, six hundred eighty-four million, six hundred twenty-four thousand, nine hundred ninety-two".