326166 has 8 divisors (see below), whose sum is σ = 652344. Its totient is φ = 108720.

The previous prime is 326159. The next prime is 326171. The reversal of 326166 is 661623.

326166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

326166 is an admirable number.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

326166 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 3 ways as a sum of consecutive naturals, for example, 27175 + ... + 27186.

It is an arithmetic number, because the mean of its divisors is an integer number (81543).

2³²⁶¹⁶⁶ is an apocalyptic number.

326166 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

326166 is a wasteful number, since it uses less digits than its factorization.

326166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54366.

The product of its digits is 1296, while the sum is 24.

The square root of 326166 is about 571.1094466037. The cubic root of 326166 is about 68.8355672867.

Adding to 326166 its reverse (661623), we get a palindrome (987789).

The spelling of 326166 in words is "three hundred twenty-six thousand, one hundred sixty-six".