16231988604 has 96 divisors (see below), whose sum is σ = 41089204800. Its totient is φ = 4957747200.

The previous prime is 16231988593. The next prime is 16231988611. The reversal of 16231988604 is 40688913261.

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 31 ways as a sum of consecutive naturals, for example, 15298234 + ... + 15299294.

It is an arithmetic number, because the mean of its divisors is an integer number (428012550).

Almost surely, 2^16231988604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16231988604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20544602400).

16231988604 is an abundant number, since it is smaller than the sum of its proper divisors (24857216196).

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

16231988604 is a wasteful number, since it uses less digits than its factorization.

16231988604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1709 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The spelling of 16231988604 in words is "sixteen billion, two hundred thirty-one million, nine hundred eighty-eight thousand, six hundred four".