115660169 has 4 divisors (see below), whose sum is σ = 120688896. Its totient is φ = 110631444.

The previous prime is 115660159. The next prime is 115660177. The reversal of 115660169 is 961066511.

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.

It is a cyclic number.

It is not a de Polignac number, because 115660169 - 2⁸ = 115659913 is a prime.

It is a super-2 number, since 2×115660169² = 26754549386217122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115660109) 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, 2514329 + ... + 2514374.

It is an arithmetic number, because the mean of its divisors is an integer number (30172224).

Almost surely, 2^115660169 is an apocalyptic number.

It is an amenable number.

115660169 is a deficient number, since it is larger than the sum of its proper divisors (5028727).

115660169 is an equidigital number, since it uses as much as digits as its factorization.

115660169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028726.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 115660169 is about 10754.5417847531. The cubic root of 115660169 is about 487.2231787155.

The spelling of 115660169 in words is "one hundred fifteen million, six hundred sixty thousand, one hundred sixty-nine".