116153989 has 16 divisors (see below), whose sum is σ = 137894400. Its totient is φ = 95762304.

The previous prime is 116153981. The next prime is 116154007. The reversal of 116153989 is 989351611.

It is a cyclic number.

It is not a de Polignac number, because 116153989 - 2³ = 116153981 is a prime.

It is a super-2 number, since 2×116153989² = 26983498321224242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116153981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20532 + ... + 25570.

It is an arithmetic number, because the mean of its divisors is an integer number (8618400).

Almost surely, 2^116153989 is an apocalyptic number.

It is an amenable number.

116153989 is a deficient number, since it is larger than the sum of its proper divisors (21740411).

116153989 is an equidigital number, since it uses as much as digits as its factorization.

116153989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5172.

The product of its digits is 58320, while the sum is 43.

The square root of 116153989 is about 10777.4760032208. The cubic root of 116153989 is about 487.9156064868.

The spelling of 116153989 in words is "one hundred sixteen million, one hundred fifty-three thousand, nine hundred eighty-nine".