108166 has 4 divisors (see below), whose sum is σ = 162252. Its totient is φ = 54082.

The previous prime is 108161. The next prime is 108179. The reversal of 108166 is 661801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661801 = 7 ⋅94543.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108161) by changing a digit.

108166 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 as a sum of consecutive naturals, namely, 27040 + ... + 27043.

It is an arithmetic number, because the mean of its divisors is an integer number (40563).

2¹⁰⁸¹⁶⁶ is an apocalyptic number.

108166 is a deficient number, since it is larger than the sum of its proper divisors (54086).

108166 is an equidigital number, since it uses as much as digits as its factorization.

108166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54085.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 108166 is about 328.8859984858. The cubic root of 108166 is about 47.6464180111.

Adding to 108166 its reverse (661801), we get a palindrome (769967).

The spelling of 108166 in words is "one hundred eight thousand, one hundred sixty-six".