173165 has 8 divisors (see below), whose sum is σ = 211680. Its totient is φ = 135952.

The previous prime is 173149. The next prime is 173177. The reversal of 173165 is 561371.

173165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 173165 - 2⁴ = 173149 is a prime.

It is a super-2 number, since 2×173165² = 59972234450, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 173165.

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 173165.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2 + ... + 588.

It is an arithmetic number, because the mean of its divisors is an integer number (26460).

2¹⁷³¹⁶⁵ is an apocalyptic number.

It is an amenable number.

173165 is a deficient number, since it is larger than the sum of its proper divisors (38515).

173165 is an equidigital number, since it uses as much as digits as its factorization.

173165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651.

The product of its digits is 630, while the sum is 23.

The square root of 173165 is about 416.1309889926. The cubic root of 173165 is about 55.7382555512.

The spelling of 173165 in words is "one hundred seventy-three thousand, one hundred sixty-five".