99433644176164 has 9 divisors (see below), whose sum is σ = 174008912209041. Its totient is φ = 49716812116440.

The previous prime is 99433644176147. The next prime is 99433644176201. The reversal of 99433644176164 is 46167144633499.

The square root of 99433644176164 is 9971642.

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

It can be written as a sum of positive squares in only one way, i.e., 18634399630564 + 80799244545600 = 4316758^2 + 8988840^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99433644176164.

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, 17450374 + ... + 22436194.

Almost surely, 2^{99433644176164} is an apocalyptic number.

99433644176164 is the 9971642-nd square number.

It is an amenable number.

99433644176164 is a deficient number, since it is larger than the sum of its proper divisors (74575268032877).

99433644176164 is an frugal number, since it uses more digits than its factorization.

99433644176164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9971646 (or 4985823 counting only the distinct ones).

The product of its digits is 282175488, while the sum is 67.

The spelling of 99433644176164 in words is "ninety-nine trillion, four hundred thirty-three billion, six hundred forty-four million, one hundred seventy-six thousand, one hundred sixty-four".