165080 has 16 divisors (see below), whose sum is σ = 371520. Its totient is φ = 66016.

The previous prime is 165079. The next prime is 165083. The reversal of 165080 is 80561.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (23220).

2¹⁶⁵⁰⁸⁰ is an apocalyptic number.

165080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

165080 is an abundant number, since it is smaller than the sum of its proper divisors (206440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165080 is a wasteful number, since it uses less digits than its factorization.

165080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4138 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 165080 is about 406.3003814913. The cubic root of 165080 is about 54.8569284259.

The spelling of 165080 in words is "one hundred sixty-five thousand, eighty".