99118173 has 16 divisors (see below), whose sum is σ = 164768256. Its totient is φ = 51489840.

The previous prime is 99118163. The next prime is 99118183. The reversal of 99118173 is 37181199.

It is an interprime number because it is at equal distance from previous prime (99118163) and next prime (99118183).

It is not a de Polignac number, because 99118173 - 2⁵ = 99118141 is a prime.

It is a super-3 number, since 3×99118173³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99118163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 214311 + ... + 214772.

It is an arithmetic number, because the mean of its divisors is an integer number (10298016).

Almost surely, 2^99118173 is an apocalyptic number.

It is an amenable number.

99118173 is a deficient number, since it is larger than the sum of its proper divisors (65650083).

99118173 is a wasteful number, since it uses less digits than its factorization.

99118173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429104.

The product of its digits is 13608, while the sum is 39.

The square root of 99118173 is about 9955.8110166877. The cubic root of 99118173 is about 462.7904937156.

The spelling of 99118173 in words is "ninety-nine million, one hundred eighteen thousand, one hundred seventy-three".