108918564 has 48 divisors (see below), whose sum is σ = 270950400. Its totient is φ = 33954336.

The previous prime is 108918539. The next prime is 108918581. The reversal of 108918564 is 465819801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14989 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (5644800).

Almost surely, 2^108918564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108918564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135475200).

108918564 is an abundant number, since it is smaller than the sum of its proper divisors (162031836).

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

108918564 is a wasteful number, since it uses less digits than its factorization.

108918564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152 (or 6150 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The square root of 108918564 is about 10436.4057031145. The cubic root of 108918564 is about 477.5666257553.

The spelling of 108918564 in words is "one hundred eight million, nine hundred eighteen thousand, five hundred sixty-four".