108918535680 has 400 divisors, whose sum is σ = 393837895440. Its totient is φ = 28767633408.

The previous prime is 108918535669. The next prime is 108918535699. The reversal of 108918535680 is 86535819801.

108918535680 is a `hidden beast` number, since 10 + 8 + 9 + 18 + 53 + 568 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22185066 + ... + 22189974.

Almost surely, 2^108918535680 is an apocalyptic number.

108918535680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108918535680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196918947720).

108918535680 is an abundant number, since it is smaller than the sum of its proper divisors (284919359760).

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

108918535680 is an equidigital number, since it uses as much as digits as its factorization.

108918535680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 54.

The spelling of 108918535680 in words is "one hundred eight billion, nine hundred eighteen million, five hundred thirty-five thousand, six hundred eighty".