168085 has 4 divisors (see below), whose sum is σ = 201708. Its totient is φ = 134464.

The previous prime is 168083. The next prime is 168089. The reversal of 168085 is 580861.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 128881 = 198^2 + 359^2 .

It is a cyclic number.

It is not a de Polignac number, because 168085 - 2¹ = 168083 is a prime.

It is a Duffinian number.

168085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168083) 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, 16804 + ... + 16813.

It is an arithmetic number, because the mean of its divisors is an integer number (50427).

2¹⁶⁸⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

168085 is a deficient number, since it is larger than the sum of its proper divisors (33623).

168085 is an equidigital number, since it uses as much as digits as its factorization.

168085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33622.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 168085 is about 409.9817069090. The cubic root of 168085 is about 55.1877878537.

It can be divided in two parts, 1 and 68085, that added together give a palindrome (68086).

The spelling of 168085 in words is "one hundred sixty-eight thousand, eighty-five".