116807181 has 4 divisors (see below), whose sum is σ = 155742912. Its totient is φ = 77871452.

The previous prime is 116807167. The next prime is 116807183. The reversal of 116807181 is 181708611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 116807181 - 2⁵ = 116807149 is a prime.

It is a super-2 number, since 2×116807181² = 27287835066333522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116807183) 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, 19467861 + ... + 19467866.

It is an arithmetic number, because the mean of its divisors is an integer number (38935728).

Almost surely, 2^116807181 is an apocalyptic number.

It is an amenable number.

116807181 is a deficient number, since it is larger than the sum of its proper divisors (38935731).

116807181 is an equidigital number, since it uses as much as digits as its factorization.

116807181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38935730.

The product of its (nonzero) digits is 2688, while the sum is 33.

The square root of 116807181 is about 10807.7370896964. The cubic root of 116807181 is about 488.8284952735.

The spelling of 116807181 in words is "one hundred sixteen million, eight hundred seven thousand, one hundred eighty-one".