163085 has 12 divisors (see below), whose sum is σ = 213012. Its totient is φ = 119808.

The previous prime is 163063. The next prime is 163109. The reversal of 163085 is 580361.

It can be written as a sum of positive squares in 6 ways, for example, as 51529 + 111556 = 227^2 + 334^2 .

It is not a de Polignac number, because 163085 - 2⁶ = 163021 is a prime.

It is a Duffinian number.

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 163085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 749 + ... + 941.

It is an arithmetic number, because the mean of its divisors is an integer number (17751).

2¹⁶³⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

163085 is a deficient number, since it is larger than the sum of its proper divisors (49927).

163085 is a wasteful number, since it uses less digits than its factorization.

163085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 163085 is about 403.8378387422. The cubic root of 163085 is about 54.6350493025.

The spelling of 163085 in words is "one hundred sixty-three thousand, eighty-five".