22637316704640 has 512 divisors, whose sum is σ = 79502003159040. Its totient is φ = 5433111306240.

The previous prime is 22637316704617. The next prime is 22637316704647. The reversal of 22637316704640 is 4640761373622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22637316704647) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 7147872337 + ... + 7147875503.

It is an arithmetic number, because the mean of its divisors is an integer number (155277349920).

Almost surely, 2^{22637316704640} is an apocalyptic number.

22637316704640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22637316704640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39751001579520).

22637316704640 is an abundant number, since it is smaller than the sum of its proper divisors (56864686454400).

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

22637316704640 is a wasteful number, since it uses less digits than its factorization.

22637316704640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6470 (or 6458 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 51.

The spelling of 22637316704640 in words is "twenty-two trillion, six hundred thirty-seven billion, three hundred sixteen million, seven hundred four thousand, six hundred forty".