108557806 has 16 divisors (see below), whose sum is σ = 186256224. Its totient is φ = 46485504.

The previous prime is 108557783. The next prime is 108557819. The reversal of 108557806 is 608755801.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 19246 + ... + 24238.

It is an arithmetic number, because the mean of its divisors is an integer number (11641014).

Almost surely, 2^108557806 is an apocalyptic number.

108557806 is a deficient number, since it is larger than the sum of its proper divisors (77698418).

108557806 is a wasteful number, since it uses less digits than its factorization.

108557806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 108557806 is about 10419.1077353102. The cubic root of 108557806 is about 477.0387801817.

The spelling of 108557806 in words is "one hundred eight million, five hundred fifty-seven thousand, eight hundred six".