166085 has 8 divisors (see below), whose sum is σ = 203040. Its totient is φ = 130384.

The previous prime is 166081. The next prime is 166099. The reversal of 166085 is 580661.

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 166085 - 2² = 166081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166081) 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 7 ways as a sum of consecutive naturals, for example, 14 + ... + 576.

It is an arithmetic number, because the mean of its divisors is an integer number (25380).

2¹⁶⁶⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

166085 is a deficient number, since it is larger than the sum of its proper divisors (36955).

166085 is an equidigital number, since it uses as much as digits as its factorization.

166085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 166085 is about 407.5352745469. The cubic root of 166085 is about 54.9680254922.

The spelling of 166085 in words is "one hundred sixty-six thousand, eighty-five".