116618838 has 64 divisors (see below), whose sum is σ = 281690112. Its totient is φ = 31479840.

The previous prime is 116618837. The next prime is 116618897. The reversal of 116618838 is 838816611.

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 116618838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116618837) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 54945 + ... + 57027.

It is an arithmetic number, because the mean of its divisors is an integer number (4401408).

Almost surely, 2^116618838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116618838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140845056).

116618838 is an abundant number, since it is smaller than the sum of its proper divisors (165071274).

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

116618838 is a wasteful number, since it uses less digits than its factorization.

116618838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169.

The product of its digits is 55296, while the sum is 42.

The square root of 116618838 is about 10799.0202333360. The cubic root of 116618838 is about 488.5656205859.

The spelling of 116618838 in words is "one hundred sixteen million, six hundred eighteen thousand, eight hundred thirty-eight".