99161115 has 16 divisors (see below), whose sum is σ = 160116000. Its totient is φ = 52399872.

The previous prime is 99161107. The next prime is 99161131. The reversal of 99161115 is 51116199.

It is not a de Polignac number, because 99161115 - 2³ = 99161107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28690 + ... + 31959.

It is an arithmetic number, because the mean of its divisors is an integer number (10007250).

Almost surely, 2^99161115 is an apocalyptic number.

99161115 is a deficient number, since it is larger than the sum of its proper divisors (60954885).

99161115 is a wasteful number, since it uses less digits than its factorization.

99161115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60766.

The product of its digits is 2430, while the sum is 33.

The square root of 99161115 is about 9957.9674130818. The cubic root of 99161115 is about 462.8573172507.

The spelling of 99161115 in words is "ninety-nine million, one hundred sixty-one thousand, one hundred fifteen".