99167636729 has 6 divisors (see below), whose sum is σ = 115358271354. Its totient is φ = 85000831440.

The previous prime is 99167636707. The next prime is 99167636747. The reversal of 99167636729 is 92763676199.

It can be written as a sum of positive squares in only one way, i.e., 86172776704 + 12994860025 = 293552^2 + 113995^2 .

It is not a de Polignac number, because 99167636729 - 2⁸ = 99167636473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99167636629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1011914612 + ... + 1011914709.

It is an arithmetic number, because the mean of its divisors is an integer number (19226378559).

Almost surely, 2^99167636729 is an apocalyptic number.

It is an amenable number.

99167636729 is a deficient number, since it is larger than the sum of its proper divisors (16190634625).

99167636729 is a wasteful number, since it uses less digits than its factorization.

99167636729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023829335 (or 2023829328 counting only the distinct ones).

The product of its digits is 46294416, while the sum is 65.

The spelling of 99167636729 in words is "ninety-nine billion, one hundred sixty-seven million, six hundred thirty-six thousand, seven hundred twenty-nine".