99436161 has 32 divisors (see below), whose sum is σ = 150276096. Its totient is φ = 57960000.

The previous prime is 99436123. The next prime is 99436163. The reversal of 99436161 is 16163499.

It is not a de Polignac number, because 99436161 - 2¹¹ = 99434113 is a prime.

It is a super-2 number, since 2×99436161² = 19775100228835842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (99436163) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 94086 + ... + 95136.

It is an arithmetic number, because the mean of its divisors is an integer number (4696128).

Almost surely, 2^99436161 is an apocalyptic number.

It is an amenable number.

99436161 is a deficient number, since it is larger than the sum of its proper divisors (50839935).

99436161 is a wasteful number, since it uses less digits than its factorization.

99436161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 34992, while the sum is 39.

The square root of 99436161 is about 9971.7681982685. The cubic root of 99436161 is about 463.2848690172.

The spelling of 99436161 in words is "ninety-nine million, four hundred thirty-six thousand, one hundred sixty-one".