6216711822664 has 64 divisors (see below), whose sum is σ = 13606752729600. Its totient is φ = 2607274512384.

The previous prime is 6216711822661. The next prime is 6216711822679. The reversal of 6216711822664 is 4662281176126.

It is not an unprimeable number, because it can be changed into a prime (6216711822661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20359632 + ... + 20662720.

It is an arithmetic number, because the mean of its divisors is an integer number (212605511400).

Almost surely, 2^{6216711822664} is an apocalyptic number.

It is an amenable number.

6216711822664 is an abundant number, since it is smaller than the sum of its proper divisors (7390040906936).

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

6216711822664 is a wasteful number, since it uses less digits than its factorization.

6216711822664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310942 (or 310938 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The spelling of 6216711822664 in words is "six trillion, two hundred sixteen billion, seven hundred eleven million, eight hundred twenty-two thousand, six hundred sixty-four".