113660165 has 4 divisors (see below), whose sum is σ = 136392204. Its totient is φ = 90928128.

The previous prime is 113660123. The next prime is 113660203. The reversal of 113660165 is 561066311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 89226916 + 24433249 = 9446^2 + 4943^2 .

It is a cyclic number.

It is not a de Polignac number, because 113660165 - 2⁶ = 113660101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 11366012 + ... + 11366021.

It is an arithmetic number, because the mean of its divisors is an integer number (34098051).

Almost surely, 2^113660165 is an apocalyptic number.

It is an amenable number.

113660165 is a deficient number, since it is larger than the sum of its proper divisors (22732039).

113660165 is an equidigital number, since it uses as much as digits as its factorization.

113660165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22732038.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 113660165 is about 10661.1521422405. The cubic root of 113660165 is about 484.3984677634.

The spelling of 113660165 in words is "one hundred thirteen million, six hundred sixty thousand, one hundred sixty-five".