99165810 has 16 divisors (see below), whose sum is σ = 237998016. Its totient is φ = 26444208.

The previous prime is 99165799. The next prime is 99165853. The reversal of 99165810 is 1856199.

It is a super-2 number, since 2×99165810² = 19667715745912200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1652734 + ... + 1652793.

It is an arithmetic number, because the mean of its divisors is an integer number (14874876).

Almost surely, 2^99165810 is an apocalyptic number.

99165810 is an abundant number, since it is smaller than the sum of its proper divisors (138832206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99165810 is a wasteful number, since it uses less digits than its factorization.

99165810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305537.

The product of its (nonzero) digits is 19440, while the sum is 39.

The square root of 99165810 is about 9958.2031511714. The cubic root of 99165810 is about 462.8646221329.

The spelling of 99165810 in words is "ninety-nine million, one hundred sixty-five thousand, eight hundred ten".