581897449217344 has 224 divisors, whose sum is σ = 1325542529991680. Its totient is φ = 251531230003200.

The previous prime is 581897449217327. The next prime is 581897449217393. The reversal of 581897449217344 is 443712944798185.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118480324 + ... + 123293884.

It is an arithmetic number, because the mean of its divisors is an integer number (5917600580320).

Almost surely, 2^{581897449217344} 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 581897449217344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (662771264995840).

581897449217344 is an abundant number, since it is smaller than the sum of its proper divisors (743645080774336).

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

581897449217344 is a wasteful number, since it uses less digits than its factorization.

581897449217344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813769 (or 4813759 counting only the distinct ones).

The product of its digits is 1950842880, while the sum is 76.

The spelling of 581897449217344 in words is "five hundred eighty-one trillion, eight hundred ninety-seven billion, four hundred forty-nine million, two hundred seventeen thousand, three hundred forty-four".