16864176156 has 24 divisors (see below), whose sum is σ = 39555769344. Its totient is φ = 5591959920.

The previous prime is 16864176113. The next prime is 16864176163. The reversal of 16864176156 is 65167146861.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 16864176099 and 16864176108.

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 7 ways as a sum of consecutive naturals, for example, 3676630 + ... + 3681213.

It is an arithmetic number, because the mean of its divisors is an integer number (1648157056).

Almost surely, 2^16864176156 is an apocalyptic number.

It is an amenable number.

16864176156 is an abundant number, since it is smaller than the sum of its proper divisors (22691593188).

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

16864176156 is a wasteful number, since it uses less digits than its factorization.

16864176156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7358041 (or 7358039 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The spelling of 16864176156 in words is "sixteen billion, eight hundred sixty-four million, one hundred seventy-six thousand, one hundred fifty-six".