116918455 has 4 divisors (see below), whose sum is σ = 140302152. Its totient is φ = 93534760.

The previous prime is 116918449. The next prime is 116918467. The reversal of 116918455 is 554819611.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 116918455 - 2³ = 116918447 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11691841 + ... + 11691850.

It is an arithmetic number, because the mean of its divisors is an integer number (35075538).

Almost surely, 2^116918455 is an apocalyptic number.

116918455 is a deficient number, since it is larger than the sum of its proper divisors (23383697).

116918455 is an equidigital number, since it uses as much as digits as its factorization.

116918455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23383696.

The product of its digits is 43200, while the sum is 40.

The square root of 116918455 is about 10812.8837504155. The cubic root of 116918455 is about 488.9836702044.

The spelling of 116918455 in words is "one hundred sixteen million, nine hundred eighteen thousand, four hundred fifty-five".