233085081564 has 18 divisors (see below), whose sum is σ = 589187289600. Its totient is φ = 77695027176.

The previous prime is 233085081529. The next prime is 233085081623. The reversal of 233085081564 is 465180580332.

233085081564 is a `hidden beast` number, since 2 + 3 + 3 + 0 + 8 + 5 + 0 + 81 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3237292764 + ... + 3237292835.

It is an arithmetic number, because the mean of its divisors is an integer number (32732627200).

Almost surely, 2^233085081564 is an apocalyptic number.

It is an amenable number.

233085081564 is an abundant number, since it is smaller than the sum of its proper divisors (356102208036).

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

233085081564 is a wasteful number, since it uses less digits than its factorization.

233085081564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6474585609 (or 6474585604 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 233085081564 in words is "two hundred thirty-three billion, eighty-five million, eighty-one thousand, five hundred sixty-four".