16492589172 has 60 divisors (see below), whose sum is σ = 43218141120. Its totient is φ = 5484363984.

The previous prime is 16492589153. The next prime is 16492589207. The reversal of 16492589172 is 27198529461.

It is a happy number.

16492589172 is a `hidden beast` number, since 1 + 6 + 49 + 2 + 589 + 17 + 2 = 666.

16492589172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 19 ways as a sum of consecutive naturals, for example, 75013 + ... + 196499.

It is an arithmetic number, because the mean of its divisors is an integer number (720302352).

Almost surely, 2^16492589172 is an apocalyptic number.

16492589172 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 16492589172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21609070560).

16492589172 is an abundant number, since it is smaller than the sum of its proper divisors (26725551948).

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

16492589172 is a wasteful number, since it uses less digits than its factorization.

16492589172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121922 (or 121911 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 16492589172 in words is "sixteen billion, four hundred ninety-two million, five hundred eighty-nine thousand, one hundred seventy-two".