165279 has 8 divisors (see below), whose sum is σ = 226480. Its totient is φ = 107136.

The previous prime is 165247. The next prime is 165287. The reversal of 165279 is 972561.

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

It is not a de Polignac number, because 165279 - 2⁵ = 165247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165229) 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, 634 + ... + 855.

It is an arithmetic number, because the mean of its divisors is an integer number (28310).

2¹⁶⁵²⁷⁹ is an apocalyptic number.

165279 is a deficient number, since it is larger than the sum of its proper divisors (61201).

165279 is a wasteful number, since it uses less digits than its factorization.

165279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529.

The product of its digits is 3780, while the sum is 30.

The square root of 165279 is about 406.5452004390. The cubic root of 165279 is about 54.8789624804.

It can be divided in two parts, 165 and 279, that added together give a palindrome (444).

The spelling of 165279 in words is "one hundred sixty-five thousand, two hundred seventy-nine".