6618946368 has 28 divisors (see below), whose sum is σ = 17512629440. Its totient is φ = 2206315392.

The previous prime is 6618946357. The next prime is 6618946403. The reversal of 6618946368 is 8636498166.

It is a happy number.

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, 17236648 + ... + 17237031.

Almost surely, 2^6618946368 is an apocalyptic number.

It is an amenable number.

6618946368 is an abundant number, since it is smaller than the sum of its proper divisors (10893683072).

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

6618946368 is a wasteful number, since it uses less digits than its factorization.

6618946368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34473694 (or 34473684 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The square root of 6618946368 is about 81356.9073158512. The cubic root of 6618946368 is about 1877.5706481501.

The spelling of 6618946368 in words is "six billion, six hundred eighteen million, nine hundred forty-six thousand, three hundred sixty-eight".