108168858 has 160 divisors (see below), whose sum is σ = 304432128. Its totient is φ = 27993600.

The previous prime is 108168857. The next prime is 108168859. The reversal of 108168858 is 858861801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (108168857) and next prime (108168859).

It is not an unprimeable number, because it can be changed into a prime (108168857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 597528 + ... + 597708.

Almost surely, 2^108168858 is an apocalyptic number.

108168858 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108168858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152216064).

108168858 is an abundant number, since it is smaller than the sum of its proper divisors (196263270).

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

108168858 is a wasteful number, since it uses less digits than its factorization.

108168858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 241 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The square root of 108168858 is about 10400.4258566657. The cubic root of 108168858 is about 476.4683765087.

The spelling of 108168858 in words is "one hundred eight million, one hundred sixty-eight thousand, eight hundred fifty-eight".