99658913344 has 21 divisors (see below), whose sum is σ = 197765667841. Its totient is φ = 49828193920.

The previous prime is 99658913329. The next prime is 99658913363. The reversal of 99658913344 is 44331985699.

The square root of 99658913344 is 315688.

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., 30384673344 + 69274240000 = 174312^2 + 263200^2 .

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, 2505774 + ... + 2545234.

Almost surely, 2^99658913344 is an apocalyptic number.

99658913344 is the 315688-th square number.

It is an amenable number.

99658913344 is a deficient number, since it is larger than the sum of its proper divisors (98106754497).

99658913344 is an frugal number, since it uses more digits than its factorization.

99658913344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78934 (or 39463 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 61.

The spelling of 99658913344 in words is "ninety-nine billion, six hundred fifty-eight million, nine hundred thirteen thousand, three hundred forty-four".