165595 has 4 divisors (see below), whose sum is σ = 198720. Its totient is φ = 132472.

The previous prime is 165589. The next prime is 165601. The reversal of 165595 is 595561.

It is a happy number.

165595 is nontrivially palindromic in base 12.

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

It is an interprime number because it is at equal distance from previous prime (165589) and next prime (165601).

It is a cyclic number.

It is not a de Polignac number, because 165595 - 2³ = 165587 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16555 + ... + 16564.

It is an arithmetic number, because the mean of its divisors is an integer number (49680).

2¹⁶⁵⁵⁹⁵ is an apocalyptic number.

165595 is a deficient number, since it is larger than the sum of its proper divisors (33125).

165595 is an equidigital number, since it uses as much as digits as its factorization.

165595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33124.

The product of its digits is 6750, while the sum is 31.

The square root of 165595 is about 406.9336555263. The cubic root of 165595 is about 54.9139149181.

The spelling of 165595 in words is "one hundred sixty-five thousand, five hundred ninety-five".