99959169 has 8 divisors (see below), whose sum is σ = 133330752. Its totient is φ = 66613520.

The previous prime is 99959161. The next prime is 99959203. The reversal of 99959169 is 96195999.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 99959169 - 2³ = 99959161 is a prime.

It is a super-2 number, since 2×99959169² = 19983670934341122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (99959161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5884 + ... + 15314.

It is an arithmetic number, because the mean of its divisors is an integer number (16666344).

Almost surely, 2^99959169 is an apocalyptic number.

It is an amenable number.

99959169 is a deficient number, since it is larger than the sum of its proper divisors (33371583).

99959169 is a wasteful number, since it uses less digits than its factorization.

99959169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12967.

The product of its digits is 1771470, while the sum is 57.

The square root of 99959169 is about 9997.9582415611. The cubic root of 99959169 is about 464.0957011900.

It can be divided in two parts, 99959 and 169, that added together give a triangular number (100128 = T₄₄₇).

The spelling of 99959169 in words is "ninety-nine million, nine hundred fifty-nine thousand, one hundred sixty-nine".