581385068144 has 40 divisors (see below), whose sum is σ = 1141583942880. Its totient is φ = 286797063168.

The previous prime is 581385068137. The next prime is 581385068171. The reversal of 581385068144 is 441860583185.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 204077 + ... + 1097459.

It is an arithmetic number, because the mean of its divisors is an integer number (28539598572).

Almost surely, 2^581385068144 is an apocalyptic number.

It is an amenable number.

581385068144 is a deficient number, since it is larger than the sum of its proper divisors (560198874736).

581385068144 is a wasteful number, since it uses less digits than its factorization.

581385068144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893937 (or 893931 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 581385068144 in words is "five hundred eighty-one billion, three hundred eighty-five million, sixty-eight thousand, one hundred forty-four".