5993385666 has 32 divisors (see below), whose sum is σ = 12987044928. Its totient is φ = 1836549120.

The previous prime is 5993385611. The next prime is 5993385677. The reversal of 5993385666 is 6665833995.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 678855 + ... + 687626.

It is an arithmetic number, because the mean of its divisors is an integer number (405845154).

Almost surely, 2^5993385666 is an apocalyptic number.

5993385666 is an abundant number, since it is smaller than the sum of its proper divisors (6993659262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5993385666 is a wasteful number, since it uses less digits than its factorization.

5993385666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366546.

The product of its digits is 31492800, while the sum is 60.

The square root of 5993385666 is about 77416.9598085587. The cubic root of 5993385666 is about 1816.4526227333.

The spelling of 5993385666 in words is "five billion, nine hundred ninety-three million, three hundred eighty-five thousand, six hundred sixty-six".