581081367316 has 48 divisors (see below), whose sum is σ = 1075521807360. Its totient is φ = 274253472000.

The previous prime is 581081367301. The next prime is 581081367389. The reversal of 581081367316 is 613763180185.

It is a super-2 number, since 2×581081367316² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 581081367316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33855945 + ... + 33873103.

It is an arithmetic number, because the mean of its divisors is an integer number (22406704320).

Almost surely, 2^581081367316 is an apocalyptic number.

It is an amenable number.

581081367316 is a deficient number, since it is larger than the sum of its proper divisors (494440440044).

581081367316 is a wasteful number, since it uses less digits than its factorization.

581081367316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23896 (or 23894 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 581081367316 in words is "five hundred eighty-one billion, eighty-one million, three hundred sixty-seven thousand, three hundred sixteen".