118416589 has 4 divisors (see below), whose sum is σ = 118461724. Its totient is φ = 118371456.

The previous prime is 118416583. The next prime is 118416629. The reversal of 118416589 is 985614811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 985614811 = 9629 ⋅102359.

It can be written as a sum of positive squares in 2 ways, for example, as 92833225 + 25583364 = 9635^2 + 5058^2 .

It is a cyclic number.

It is not a de Polignac number, because 118416589 - 2⁷ = 118416461 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 (118416583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18372 + ... + 23965.

It is an arithmetic number, because the mean of its divisors is an integer number (29615431).

Almost surely, 2^118416589 is an apocalyptic number.

It is an amenable number.

118416589 is a deficient number, since it is larger than the sum of its proper divisors (45135).

118416589 is an equidigital number, since it uses as much as digits as its factorization.

118416589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45134.

The product of its digits is 69120, while the sum is 43.

The square root of 118416589 is about 10881.9386599999. The cubic root of 118416589 is about 491.0633425967.

The spelling of 118416589 in words is "one hundred eighteen million, four hundred sixteen thousand, five hundred eighty-nine".