116218589 has 8 divisors (see below), whose sum is σ = 117715968. Its totient is φ = 114730560.

The previous prime is 116218567. The next prime is 116218601. The reversal of 116218589 is 985812611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116218589 - 2¹² = 116214493 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 (116218519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24629 + ... + 28965.

It is an arithmetic number, because the mean of its divisors is an integer number (14714496).

Almost surely, 2^116218589 is an apocalyptic number.

It is an amenable number.

116218589 is a deficient number, since it is larger than the sum of its proper divisors (1497379).

116218589 is a wasteful number, since it uses less digits than its factorization.

116218589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675.

The product of its digits is 34560, while the sum is 41.

The square root of 116218589 is about 10780.4725777676. The cubic root of 116218589 is about 488.0060424877.

The spelling of 116218589 in words is "one hundred sixteen million, two hundred eighteen thousand, five hundred eighty-nine".