116918459 has 12 divisors (see below), whose sum is σ = 140698800. Its totient is φ = 96758928.

The previous prime is 116918449. The next prime is 116918467. The reversal of 116918459 is 954819611.

It is a de Polignac number, because none of the positive numbers 2^k-116918459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116918449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39719 + ... + 42560.

It is an arithmetic number, because the mean of its divisors is an integer number (11724900).

Almost surely, 2^116918459 is an apocalyptic number.

116918459 is a deficient number, since it is larger than the sum of its proper divisors (23780341).

116918459 is an equidigital number, since it uses as much as digits as its factorization.

116918459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82322 (or 82315 counting only the distinct ones).

The product of its digits is 77760, while the sum is 44.

The square root of 116918459 is about 10812.8839353801. The cubic root of 116918459 is about 488.9836757807.

The spelling of 116918459 in words is "one hundred sixteen million, nine hundred eighteen thousand, four hundred fifty-nine".