99613090768 has 20 divisors (see below), whose sum is σ = 196164305668. Its totient is φ = 48990044160.

The previous prime is 99613090757. The next prime is 99613090813. The reversal of 99613090768 is 86709031699.

It can be written as a sum of positive squares in 2 ways, for example, as 53477487504 + 46135603264 = 231252^2 + 214792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51030321 + ... + 51032272.

Almost surely, 2^99613090768 is an apocalyptic number.

It is an amenable number.

99613090768 is a deficient number, since it is larger than the sum of its proper divisors (96551214900).

99613090768 is a wasteful number, since it uses less digits than its factorization.

99613090768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102062662 (or 102062656 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 58.

The spelling of 99613090768 in words is "ninety-nine billion, six hundred thirteen million, ninety thousand, seven hundred sixty-eight".