99164187 has 6 divisors (see below), whose sum is σ = 143237172. Its totient is φ = 66109452.

The previous prime is 99164141. The next prime is 99164189. The reversal of 99164187 is 78146199.

It is a happy number.

It is not a de Polignac number, because 99164187 - 2⁸ = 99163931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99164189) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5509113 + ... + 5509130.

It is an arithmetic number, because the mean of its divisors is an integer number (23872862).

Almost surely, 2^99164187 is an apocalyptic number.

99164187 is a deficient number, since it is larger than the sum of its proper divisors (44072985).

99164187 is a wasteful number, since it uses less digits than its factorization.

99164187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11018249 (or 11018246 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 99164187 is about 9958.1216602329. The cubic root of 99164187 is about 462.8620969569.

The spelling of 99164187 in words is "ninety-nine million, one hundred sixty-four thousand, one hundred eighty-seven".