116158518 has 144 divisors (see below), whose sum is σ = 317551104. Its totient is φ = 30481920.

The previous prime is 116158517. The next prime is 116158529. The reversal of 116158518 is 815851611.

116158518 is a `hidden beast` number, since 1 + 1 + 61 + 585 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116158517) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 914571 + ... + 914697.

It is an arithmetic number, because the mean of its divisors is an integer number (2205216).

Almost surely, 2^116158518 is an apocalyptic number.

116158518 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 116158518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158775552).

116158518 is an abundant number, since it is smaller than the sum of its proper divisors (201392586).

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

116158518 is a wasteful number, since it uses less digits than its factorization.

116158518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 217 counting only the distinct ones).

The product of its digits is 9600, while the sum is 36.

The square root of 116158518 is about 10777.6861153032. The cubic root of 116158518 is about 487.9219478993.

The spelling of 116158518 in words is "one hundred sixteen million, one hundred fifty-eight thousand, five hundred eighteen".