6622431143664 has 40 divisors (see below), whose sum is σ = 19551939568000. Its totient is φ = 1892123183808.

The previous prime is 6622431143633. The next prime is 6622431143683. The reversal of 6622431143664 is 4663411342266.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9854807914 + ... + 9854808585.

It is an arithmetic number, because the mean of its divisors is an integer number (488798489200).

Almost surely, 2^{6622431143664} is an apocalyptic number.

It is an amenable number.

6622431143664 is an abundant number, since it is smaller than the sum of its proper divisors (12929508424336).

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

6622431143664 is a wasteful number, since it uses less digits than its factorization.

6622431143664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19709616517 (or 19709616511 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 48.

The spelling of 6622431143664 in words is "six trillion, six hundred twenty-two billion, four hundred thirty-one million, one hundred forty-three thousand, six hundred sixty-four".