9172442188816 has 15 divisors (see below), whose sum is σ = 17771630212543. Its totient is φ = 4586215037200.

The previous prime is 9172442188759. The next prime is 9172442188823. The reversal of 9172442188816 is 6188812442719.

The square root of 9172442188816 is 3028604.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11735841 + ... + 12492991.

Almost surely, 2^{9172442188816} is an apocalyptic number.

9172442188816 is the 3028604-th square number.

It is an amenable number.

9172442188816 is a deficient number, since it is larger than the sum of its proper divisors (8599188023727).

9172442188816 is an frugal number, since it uses more digits than its factorization.

9172442188816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514310 (or 757153 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 61.

The spelling of 9172442188816 in words is "nine trillion, one hundred seventy-two billion, four hundred forty-two million, one hundred eighty-eight thousand, eight hundred sixteen".