116856918 has 40 divisors (see below), whose sum is σ = 270304320. Its totient is φ = 37694160.

The previous prime is 116856893. The next prime is 116856919. The reversal of 116856918 is 819658611.

116856918 is a `hidden beast` number, since 11 + 68 + 569 + 18 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116856919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6613 + ... + 16656.

It is an arithmetic number, because the mean of its divisors is an integer number (6757608).

Almost surely, 2^116856918 is an apocalyptic number.

116856918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

116856918 is an abundant number, since it is smaller than the sum of its proper divisors (153447402).

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

116856918 is a wasteful number, since it uses less digits than its factorization.

116856918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23314 (or 23305 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The square root of 116856918 is about 10810.0378352714. The cubic root of 116856918 is about 488.8978671867.

The spelling of 116856918 in words is "one hundred sixteen million, eight hundred fifty-six thousand, nine hundred eighteen".