99116161 has 4 divisors (see below), whose sum is σ = 101421232. Its totient is φ = 96811092.

The previous prime is 99116153. The next prime is 99116167. The reversal of 99116161 is 16161199.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16161199 = 31 ⋅521329.

It is a cyclic number.

It is not a de Polignac number, because 99116161 - 2³ = 99116153 is a prime.

It is a pancake number, because a pancake can be divided into 99116161 parts by 14079 straight cuts.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99116167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1152471 + ... + 1152556.

It is an arithmetic number, because the mean of its divisors is an integer number (25355308).

Almost surely, 2^99116161 is an apocalyptic number.

It is an amenable number.

99116161 is a deficient number, since it is larger than the sum of its proper divisors (2305071).

99116161 is a wasteful number, since it uses less digits than its factorization.

99116161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305070.

The product of its digits is 2916, while the sum is 34.

The square root of 99116161 is about 9955.7099696606. The cubic root of 99116161 is about 462.7873622994.

The spelling of 99116161 in words is "ninety-nine million, one hundred sixteen thousand, one hundred sixty-one".