6605358868 has 12 divisors (see below), whose sum is σ = 12061959840. Its totient is φ = 3159084632.

The previous prime is 6605358853. The next prime is 6605358869. The reversal of 6605358868 is 8688535066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6605358869) 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, 35898598 + ... + 35898781.

It is an arithmetic number, because the mean of its divisors is an integer number (1005163320).

Almost surely, 2^6605358868 is an apocalyptic number.

It is an amenable number.

6605358868 is a deficient number, since it is larger than the sum of its proper divisors (5456600972).

6605358868 is a wasteful number, since it uses less digits than its factorization.

6605358868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71797406 (or 71797404 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The square root of 6605358868 is about 81273.3589068398. The cubic root of 6605358868 is about 1876.2849970044.

The spelling of 6605358868 in words is "six billion, six hundred five million, three hundred fifty-eight thousand, eight hundred sixty-eight".