99113318169 has 32 divisors (see below), whose sum is σ = 138868853760. Its totient is φ = 62758652352.

The previous prime is 99113318167. The next prime is 99113318197. The reversal of 99113318169 is 96181331199.

It is a happy number.

It is not a de Polignac number, because 99113318169 - 2¹ = 99113318167 is a prime.

It is a super-2 number, since 2×99113318169² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99113318167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6084774 + ... + 6101040.

It is an arithmetic number, because the mean of its divisors is an integer number (4339651680).

Almost surely, 2^99113318169 is an apocalyptic number.

It is an amenable number.

99113318169 is a deficient number, since it is larger than the sum of its proper divisors (39755535591).

99113318169 is a wasteful number, since it uses less digits than its factorization.

99113318169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909.

The product of its digits is 314928, while the sum is 51.

The spelling of 99113318169 in words is "ninety-nine billion, one hundred thirteen million, three hundred eighteen thousand, one hundred sixty-nine".