108563166 has 24 divisors (see below), whose sum is σ = 243933144. Its totient is φ = 36187560.

The previous prime is 108563159. The next prime is 108563167. The reversal of 108563166 is 661365801.

It is a happy number.

108563166 is a `hidden beast` number, since 10 + 8 + 5 + 631 + 6 + 6 = 666.

It is a super-2 number, since 2×108563166² = 23571922023887112, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 108563166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108563167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111205 + ... + 112176.

It is an arithmetic number, because the mean of its divisors is an integer number (10163881).

Almost surely, 2^108563166 is an apocalyptic number.

108563166 is an abundant number, since it is smaller than the sum of its proper divisors (135369978).

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

108563166 is an equidigital number, since it uses as much as digits as its factorization.

108563166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223398 (or 223386 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 108563166 is about 10419.3649518577. The cubic root of 108563166 is about 477.0466312547.

The spelling of 108563166 in words is "one hundred eight million, five hundred sixty-three thousand, one hundred sixty-six".