116889618 has 8 divisors (see below), whose sum is σ = 233779248. Its totient is φ = 38963204.

The previous prime is 116889613. The next prime is 116889659. The reversal of 116889618 is 816988611.

It is a sphenic number, since it is the product of 3 distinct primes.

116889618 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (116889613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740796 + ... + 9740807.

It is an arithmetic number, because the mean of its divisors is an integer number (29222406).

Almost surely, 2^116889618 is an apocalyptic number.

116889618 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

116889618 is a wasteful number, since it uses less digits than its factorization.

116889618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481608.

The product of its digits is 165888, while the sum is 48.

The square root of 116889618 is about 10811.5502126198. The cubic root of 116889618 is about 488.9434655975.

The spelling of 116889618 in words is "one hundred sixteen million, eight hundred eighty-nine thousand, six hundred eighteen".