99165 has 16 divisors (see below), whose sum is σ = 173376. Its totient is φ = 48000.

The previous prime is 99149. The next prime is 99173. The reversal of 99165 is 56199.

It is not a de Polignac number, because 99165 - 2⁴ = 99149 is a prime.

99165 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136 + ... + 465.

It is an arithmetic number, because the mean of its divisors is an integer number (10836).

2⁹⁹¹⁶⁵ is an apocalyptic number.

It is an amenable number.

99165 is a deficient number, since it is larger than the sum of its proper divisors (74211).

99165 is a wasteful number, since it uses less digits than its factorization.

99165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620.

The product of its digits is 2430, while the sum is 30.

The square root of 99165 is about 314.9047475031. The cubic root of 99165 is about 46.2863361882.

The spelling of 99165 in words is "ninety-nine thousand, one hundred sixty-five".