6643361336315 has 32 divisors (see below), whose sum is σ = 8783543178432. Its totient is φ = 4783332160000.

The previous prime is 6643361336299. The next prime is 6643361336329. The reversal of 6643361336315 is 5136331633466.

It is not a de Polignac number, because 6643361336315 - 2⁴ = 6643361336299 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87581105 + ... + 87656925.

It is an arithmetic number, because the mean of its divisors is an integer number (274485724326).

Almost surely, 2^{6643361336315} is an apocalyptic number.

6643361336315 is a deficient number, since it is larger than the sum of its proper divisors (2140181842117).

6643361336315 is a wasteful number, since it uses less digits than its factorization.

6643361336315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91711.

The product of its digits is 6298560, while the sum is 50.

The spelling of 6643361336315 in words is "six trillion, six hundred forty-three billion, three hundred sixty-one million, three hundred thirty-six thousand, three hundred fifteen".