195165 has 12 divisors (see below), whose sum is σ = 338364. Its totient is φ = 104064.

The previous prime is 195163. The next prime is 195193. The reversal of 195165 is 561591.

It can be written as a sum of positive squares in 2 ways, for example, as 26244 + 168921 = 162^2 + 411^2 .

It is not a de Polignac number, because 195165 - 2¹ = 195163 is a prime.

195165 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 195165.

It is not an unprimeable number, because it can be changed into a prime (195161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2124 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (28197).

2¹⁹⁵¹⁶⁵ is an apocalyptic number.

195165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

195165 is a deficient number, since it is larger than the sum of its proper divisors (143199).

195165 is a wasteful number, since it uses less digits than its factorization.

195165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348 (or 4345 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 195165 is about 441.7748295229. The cubic root of 195165 is about 58.0052512091.

It can be divided in two parts, 1951 and 65, that added together give a triangular number (2016 = T₆₃).

The spelling of 195165 in words is "one hundred ninety-five thousand, one hundred sixty-five".