116439918 has 32 divisors (see below), whose sum is σ = 272643840. Its totient is φ = 32456640.

The previous prime is 116439907. The next prime is 116439941. The reversal of 116439918 is 819934611.

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 116439918.

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 15 ways as a sum of consecutive naturals, for example, 32088 + ... + 35531.

It is an arithmetic number, because the mean of its divisors is an integer number (8520120).

Almost surely, 2^116439918 is an apocalyptic number.

116439918 is an abundant number, since it is smaller than the sum of its proper divisors (156203922).

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

116439918 is a wasteful number, since it uses less digits than its factorization.

116439918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67672.

The product of its digits is 46656, while the sum is 42.

The square root of 116439918 is about 10790.7329686171. The cubic root of 116439918 is about 488.3156355208.

The spelling of 116439918 in words is "one hundred sixteen million, four hundred thirty-nine thousand, nine hundred eighteen".