6365996668 has 12 divisors (see below), whose sum is σ = 11441588872. Its totient is φ = 3096971280.

The previous prime is 6365996657. The next prime is 6365996677. The reversal of 6365996668 is 8666995636.

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, 21506598 + ... + 21506893.

Almost surely, 2^6365996668 is an apocalyptic number.

It is an amenable number.

6365996668 is a deficient number, since it is larger than the sum of its proper divisors (5075592204).

6365996668 is a wasteful number, since it uses less digits than its factorization.

6365996668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43013532 (or 43013530 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 64.

The square root of 6365996668 is about 79787.1961407343. The cubic root of 6365996668 is about 1853.3415786284.

The spelling of 6365996668 in words is "six billion, three hundred sixty-five million, nine hundred ninety-six thousand, six hundred sixty-eight".