105166 has 4 divisors (see below), whose sum is σ = 157752. Its totient is φ = 52582.

The previous prime is 105143. The next prime is 105167. The reversal of 105166 is 661501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 661501 = 139 ⋅4759.

It is a super-2 number, since 2×105166² = 22119775112, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26290 + ... + 26293.

It is an arithmetic number, because the mean of its divisors is an integer number (39438).

2¹⁰⁵¹⁶⁶ is an apocalyptic number.

105166 is a deficient number, since it is larger than the sum of its proper divisors (52586).

105166 is an equidigital number, since it uses as much as digits as its factorization.

105166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52585.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 105166 is about 324.2930773236. The cubic root of 105166 is about 47.2017882115.

Adding to 105166 its reverse (661501), we get a palindrome (766667).

The spelling of 105166 in words is "one hundred five thousand, one hundred sixty-six".