581768132 has 24 divisors (see below), whose sum is σ = 1112916000. Its totient is φ = 263900160.

The previous prime is 581768129. The next prime is 581768153. The reversal of 581768132 is 231867185.

It is a self number, because there is not a number n which added to its sum of digits gives 581768132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8708 + ... + 35204.

It is an arithmetic number, because the mean of its divisors is an integer number (46371500).

Almost surely, 2^581768132 is an apocalyptic number.

It is an amenable number.

581768132 is a deficient number, since it is larger than the sum of its proper divisors (531147868).

581768132 is a wasteful number, since it uses less digits than its factorization.

581768132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27011 (or 27009 counting only the distinct ones).

The product of its digits is 80640, while the sum is 41.

The square root of 581768132 is about 24119.8700659850. The cubic root of 581768132 is about 834.8016701803.

The spelling of 581768132 in words is "five hundred eighty-one million, seven hundred sixty-eight thousand, one hundred thirty-two".