116189997 has 64 divisors (see below), whose sum is σ = 212336640. Its totient is φ = 54648000.

The previous prime is 116189989. The next prime is 116190001. The reversal of 116189997 is 799981611.

It is not a de Polignac number, because 116189997 - 2³ = 116189989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116189987) 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 63 ways as a sum of consecutive naturals, for example, 100372 + ... + 101522.

It is an arithmetic number, because the mean of its divisors is an integer number (3317760).

Almost surely, 2^116189997 is an apocalyptic number.

It is an amenable number.

116189997 is a deficient number, since it is larger than the sum of its proper divisors (96146643).

116189997 is a wasteful number, since it uses less digits than its factorization.

116189997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its digits is 244944, while the sum is 51.

The square root of 116189997 is about 10779.1463947754. The cubic root of 116189997 is about 487.9660195926.

The spelling of 116189997 in words is "one hundred sixteen million, one hundred eighty-nine thousand, nine hundred ninety-seven".