116186231 has 4 divisors (see below), whose sum is σ = 132784272. Its totient is φ = 99588192.

The previous prime is 116186227. The next prime is 116186243. The reversal of 116186231 is 132681611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116186231 - 2² = 116186227 is a prime.

It is a super-2 number, since 2×116186231² = 26998480547970722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116186194 and 116186203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116186201) 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, 8299010 + ... + 8299023.

It is an arithmetic number, because the mean of its divisors is an integer number (33196068).

Almost surely, 2^116186231 is an apocalyptic number.

116186231 is a deficient number, since it is larger than the sum of its proper divisors (16598041).

116186231 is an equidigital number, since it uses as much as digits as its factorization.

116186231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16598040.

The product of its digits is 1728, while the sum is 29.

The square root of 116186231 is about 10778.9717042026. The cubic root of 116186231 is about 487.9607474811.

The spelling of 116186231 in words is "one hundred sixteen million, one hundred eighty-six thousand, two hundred thirty-one".