116159989 has 8 divisors (see below), whose sum is σ = 126829440. Its totient is φ = 105508800.

The previous prime is 116159969. The next prime is 116160013. The reversal of 116159989 is 989951611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116159989 - 2⁵ = 116159957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116159969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11092 + ... + 18850.

It is an arithmetic number, because the mean of its divisors is an integer number (15853680).

Almost surely, 2^116159989 is an apocalyptic number.

It is an amenable number.

116159989 is a deficient number, since it is larger than the sum of its proper divisors (10669451).

116159989 is a wasteful number, since it uses less digits than its factorization.

116159989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9131.

The product of its digits is 174960, while the sum is 49.

The square root of 116159989 is about 10777.7543579356. The cubic root of 116159989 is about 487.9240075277.

The spelling of 116159989 in words is "one hundred sixteen million, one hundred fifty-nine thousand, nine hundred eighty-nine".