8668585918 has 8 divisors (see below), whose sum is σ = 13049821512. Its totient is φ = 4318645416.

The previous prime is 8668585873. The next prime is 8668585951. The reversal of 8668585918 is 8195858668.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8668585918.

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, 7823080 + ... + 7824187.

It is an arithmetic number, because the mean of its divisors is an integer number (1631227689).

Almost surely, 2^8668585918 is an apocalyptic number.

8668585918 is a deficient number, since it is larger than the sum of its proper divisors (4381235594).

8668585918 is a wasteful number, since it uses less digits than its factorization.

8668585918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15647546.

The product of its digits is 33177600, while the sum is 64.

The square root of 8668585918 is about 93105.2410877068. The cubic root of 8668585918 is about 2054.2316648227.

The spelling of 8668585918 in words is "eight billion, six hundred sixty-eight million, five hundred eighty-five thousand, nine hundred eighteen".