108564618 has 16 divisors (see below), whose sum is σ = 229901760. Its totient is φ = 34059456.

The previous prime is 108564607. The next prime is 108564619. The reversal of 108564618 is 816465801.

It is not an unprimeable number, because it can be changed into a prime (108564619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532078 + ... + 532281.

It is an arithmetic number, because the mean of its divisors is an integer number (14368860).

Almost surely, 2^108564618 is an apocalyptic number.

108564618 is an abundant number, since it is smaller than the sum of its proper divisors (121337142).

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

108564618 is a wasteful number, since it uses less digits than its factorization.

108564618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064381.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 108564618 is about 10419.4346295756. The cubic root of 108564618 is about 477.0487580307.

It can be divided in two parts, 1085 and 64618, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 108564618 in words is "one hundred eight million, five hundred sixty-four thousand, six hundred eighteen".