115686163 has 2 divisors, whose sum is σ = 115686164. Its totient is φ = 115686162.

The previous prime is 115686143. The next prime is 115686199. The reversal of 115686163 is 361686511.

It is a weak prime.

It is an emirp because it is prime and its reverse (361686511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115686163 - 2⁹ = 115685651 is a prime.

It is equal to p_6609592 and since 115686163 and 6609592 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (115686143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57843081 + 57843082.

It is an arithmetic number, because the mean of its divisors is an integer number (57843082).

Almost surely, 2^115686163 is an apocalyptic number.

115686163 is a deficient number, since it is larger than the sum of its proper divisors (1).

115686163 is an equidigital number, since it uses as much as digits as its factorization.

115686163 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 37.

The square root of 115686163 is about 10755.7502295284. The cubic root of 115686163 is about 487.2596762431.

The spelling of 115686163 in words is "one hundred fifteen million, six hundred eighty-six thousand, one hundred sixty-three".