6338516679864 has 80 divisors (see below), whose sum is σ = 18166592889720. Its totient is φ = 2063703096000.

The previous prime is 6338516679839. The next prime is 6338516679889. The reversal of 6338516679864 is 4689766158336.

6338516679864 is a `hidden beast` number, since 6 + 3 + 38 + 516 + 6 + 79 + 8 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6338516679839) and next prime (6338516679889).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 6338516679792 and 6338516679801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 113712387 + ... + 113768114.

Almost surely, 2^{6338516679864} is an apocalyptic number.

It is an amenable number.

6338516679864 is an abundant number, since it is smaller than the sum of its proper divisors (11828076209856).

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

6338516679864 is a wasteful number, since it uses less digits than its factorization.

6338516679864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227480562 (or 227480549 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 6338516679864 in words is "six trillion, three hundred thirty-eight billion, five hundred sixteen million, six hundred seventy-nine thousand, eight hundred sixty-four".