166326 has 16 divisors (see below), whose sum is σ = 350400. Its totient is φ = 52488.

The previous prime is 166319. The next prime is 166349. The reversal of 166326 is 623661.

166326 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 166296 and 166305.

It is a congruent number.

It is an unprimeable number.

166326 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, 616 + ... + 843.

It is an arithmetic number, because the mean of its divisors is an integer number (21900).

2¹⁶⁶³²⁶ is an apocalyptic number.

166326 is an abundant number, since it is smaller than the sum of its proper divisors (184074).

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

166326 is a wasteful number, since it uses less digits than its factorization.

166326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483.

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

The square root of 166326 is about 407.8308472884. The cubic root of 166326 is about 54.9946000208.

Adding to 166326 its reverse (623661), we get a palindrome (789987).

The spelling of 166326 in words is "one hundred sixty-six thousand, three hundred twenty-six".