581016685222 has 16 divisors (see below), whose sum is σ = 919936047600. Its totient is φ = 275218423344.

The previous prime is 581016685213. The next prime is 581016685229. The reversal of 581016685222 is 222586610185.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581016685229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21163447 + ... + 21190882.

It is an arithmetic number, because the mean of its divisors is an integer number (57496002975).

Almost surely, 2^581016685222 is an apocalyptic number.

581016685222 is a deficient number, since it is larger than the sum of its proper divisors (338919362378).

581016685222 is an equidigital number, since it uses as much as digits as its factorization.

581016685222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42354388 (or 42354350 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 581016685222 in words is "five hundred eighty-one billion, sixteen million, six hundred eighty-five thousand, two hundred twenty-two".