585138530916 has 72 divisors (see below), whose sum is σ = 1579302204480. Its totient is φ = 182227155264.

The previous prime is 585138530863. The next prime is 585138530917. The reversal of 585138530916 is 619035831585.

585138530916 is a `hidden beast` number, since 5 + 8 + 5 + 13 + 8 + 530 + 91 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (585138530917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8181711 + ... + 8252918.

It is an arithmetic number, because the mean of its divisors is an integer number (21934752840).

Almost surely, 2^585138530916 is an apocalyptic number.

It is an amenable number.

585138530916 is an abundant number, since it is smaller than the sum of its proper divisors (994163673564).

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

585138530916 is a wasteful number, since it uses less digits than its factorization.

585138530916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16434705 (or 16434700 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 54.

The spelling of 585138530916 in words is "five hundred eighty-five billion, one hundred thirty-eight million, five hundred thirty thousand, nine hundred sixteen".