165271 has 8 divisors (see below), whose sum is σ = 176400. Its totient is φ = 154560.

The previous prime is 165247. The next prime is 165287. The reversal of 165271 is 172561.

165271 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 165271 - 2¹¹ = 163223 is a prime.

It is a Duffinian number.

165271 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1120 + ... + 1258.

It is an arithmetic number, because the mean of its divisors is an integer number (22050).

2¹⁶⁵²⁷¹ is an apocalyptic number.

165271 is a deficient number, since it is larger than the sum of its proper divisors (11129).

165271 is a wasteful number, since it uses less digits than its factorization.

165271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 420, while the sum is 22.

The square root of 165271 is about 406.5353613156. The cubic root of 165271 is about 54.8780770306.

The spelling of 165271 in words is "one hundred sixty-five thousand, two hundred seventy-one".