99650165 has 4 divisors (see below), whose sum is σ = 119580204. Its totient is φ = 79720128.

The previous prime is 99650147. The next prime is 99650167. The reversal of 99650165 is 56105699.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56105699 = 13 ⋅4315823.

It can be written as a sum of positive squares in 2 ways, for example, as 77757124 + 21893041 = 8818^2 + 4679^2 .

It is a cyclic number.

It is not a de Polignac number, because 99650165 - 2²² = 95455861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99650167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9965012 + ... + 9965021.

It is an arithmetic number, because the mean of its divisors is an integer number (29895051).

Almost surely, 2^99650165 is an apocalyptic number.

It is an amenable number.

99650165 is a deficient number, since it is larger than the sum of its proper divisors (19930039).

99650165 is a wasteful number, since it uses less digits than its factorization.

99650165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19930038.

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 99650165 is about 9982.4929251165. The cubic root of 99650165 is about 463.6169875455.

The spelling of 99650165 in words is "ninety-nine million, six hundred fifty thousand, one hundred sixty-five".