170166 has 16 divisors (see below), whose sum is σ = 345600. Its totient is φ = 55848.

The previous prime is 170141. The next prime is 170167. The reversal of 170166 is 661071.

170166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (170167) by changing a digit.

170166 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (21600).

2¹⁷⁰¹⁶⁶ is an apocalyptic number.

170166 is an abundant number, since it is smaller than the sum of its proper divisors (175434).

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

170166 is a wasteful number, since it uses less digits than its factorization.

170166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 170166 is about 412.5118180125. The cubic root of 170166 is about 55.4146077463.

The spelling of 170166 in words is "one hundred seventy thousand, one hundred sixty-six".