108918818 has 16 divisors (see below), whose sum is σ = 166312224. Its totient is φ = 53486400.

The previous prime is 108918793. The next prime is 108918863. The reversal of 108918818 is 818819801.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52721 + ... + 54747.

It is an arithmetic number, because the mean of its divisors is an integer number (10394514).

Almost surely, 2^108918818 is an apocalyptic number.

108918818 is the 5579-th centered heptagonal number.

108918818 is a deficient number, since it is larger than the sum of its proper divisors (57393406).

108918818 is a wasteful number, since it uses less digits than its factorization.

108918818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

The product of its (nonzero) digits is 36864, while the sum is 44.

The square root of 108918818 is about 10436.4178720479. The cubic root of 108918818 is about 477.5669969862.

The spelling of 108918818 in words is "one hundred eight million, nine hundred eighteen thousand, eight hundred eighteen".