8553398668 has 12 divisors (see below), whose sum is σ = 15148791000. Its totient is φ = 4225172672.

The previous prime is 8553398641. The next prime is 8553398713. The reversal of 8553398668 is 8668933558.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12881293 + ... + 12881956.

It is an arithmetic number, because the mean of its divisors is an integer number (1262399250).

Almost surely, 2^8553398668 is an apocalyptic number.

It is an amenable number.

8553398668 is a deficient number, since it is larger than the sum of its proper divisors (6595392332).

8553398668 is a wasteful number, since it uses less digits than its factorization.

8553398668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25763336 (or 25763334 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 61.

The square root of 8553398668 is about 92484.5861103352. The cubic root of 8553398668 is about 2045.0922591950.

The spelling of 8553398668 in words is "eight billion, five hundred fifty-three million, three hundred ninety-eight thousand, six hundred sixty-eight".