108918810 has 384 divisors, whose sum is σ = 404766720. Its totient is φ = 20217600.

The previous prime is 108918793. The next prime is 108918863. The reversal of 108918810 is 18819801.

It is a super-2 number, since 2×108918810² = 23726614343632200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3513495 + ... + 3513525.

It is an arithmetic number, because the mean of its divisors is an integer number (1054080).

Almost surely, 2^108918810 is an apocalyptic number.

108918810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 108918810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202383360).

108918810 is an abundant number, since it is smaller than the sum of its proper divisors (295847910).

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

108918810 is a wasteful number, since it uses less digits than its factorization.

108918810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 72 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 36.

The square root of 108918810 is about 10436.4174887746. The cubic root of 108918810 is about 477.5669852939.

Subtracting from 108918810 its reverse (18819801), we obtain a palindrome (90099009).

It can be divided in two parts, 10891 and 8810, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 108918810 in words is "one hundred eight million, nine hundred eighteen thousand, eight hundred ten".