116918443 has 4 divisors (see below), whose sum is σ = 117265720. Its totient is φ = 116571168.

The previous prime is 116918441. The next prime is 116918447. The reversal of 116918443 is 344819611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344819611 = 23 ⋅14992157.

It is a cyclic number.

It is not a de Polignac number, because 116918443 - 2¹ = 116918441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116918441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173133 + ... + 173806.

It is an arithmetic number, because the mean of its divisors is an integer number (29316430).

Almost surely, 2^116918443 is an apocalyptic number.

116918443 is a deficient number, since it is larger than the sum of its proper divisors (347277).

116918443 is an equidigital number, since it uses as much as digits as its factorization.

116918443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347276.

The product of its digits is 20736, while the sum is 37.

The square root of 116918443 is about 10812.8831955219. The cubic root of 116918443 is about 488.9836534753.

The spelling of 116918443 in words is "one hundred sixteen million, nine hundred eighteen thousand, four hundred forty-three".