116358181 has 4 divisors (see below), whose sum is σ = 116527264. Its totient is φ = 116189100.

The previous prime is 116358169. The next prime is 116358239. The reversal of 116358181 is 181853611.

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 116358181 - 2⁹ = 116357669 is a prime.

It is a super-4 number, since 4×116358181⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116356181) 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 3 ways as a sum of consecutive naturals, for example, 83505 + ... + 84886.

It is an arithmetic number, because the mean of its divisors is an integer number (29131816).

Almost surely, 2^116358181 is an apocalyptic number.

It is an amenable number.

116358181 is a deficient number, since it is larger than the sum of its proper divisors (169083).

116358181 is an equidigital number, since it uses as much as digits as its factorization.

116358181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169082.

The product of its digits is 5760, while the sum is 34.

The square root of 116358181 is about 10786.9449335760. The cubic root of 116358181 is about 488.2013482594.

The spelling of 116358181 in words is "one hundred sixteen million, three hundred fifty-eight thousand, one hundred eighty-one".