116685618 has 32 divisors (see below), whose sum is σ = 275909760. Its totient is φ = 32188800.

The previous prime is 116685599. The next prime is 116685629. The reversal of 116685618 is 816586611.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 116685618.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46683 + ... + 49118.

It is an arithmetic number, because the mean of its divisors is an integer number (8622180).

Almost surely, 2^116685618 is an apocalyptic number.

116685618 is an abundant number, since it is smaller than the sum of its proper divisors (159224142).

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

116685618 is a wasteful number, since it uses less digits than its factorization.

116685618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95842.

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

The square root of 116685618 is about 10802.1117379890. Note that the first 3 decimals coincide. The cubic root of 116685618 is about 488.6588593428.

The spelling of 116685618 in words is "one hundred sixteen million, six hundred eighty-five thousand, six hundred eighteen".