22643492353664 has 256 divisors, whose sum is σ = 58788121056000. Its totient is φ = 8486384504832.

The previous prime is 22643492353637. The next prime is 22643492353709. The reversal of 22643492353664 is 46635329434622.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37099022 + ... + 37704434.

It is an arithmetic number, because the mean of its divisors is an integer number (229641097875).

Almost surely, 2^{22643492353664} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22643492353664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29394060528000).

22643492353664 is an abundant number, since it is smaller than the sum of its proper divisors (36144628702336).

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

22643492353664 is an equidigital number, since it uses as much as digits as its factorization.

22643492353664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605492 (or 605454 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 59.

The spelling of 22643492353664 in words is "twenty-two trillion, six hundred forty-three billion, four hundred ninety-two million, three hundred fifty-three thousand, six hundred sixty-four".