564245808816 has 40 divisors (see below), whose sum is σ = 1457667707760. Its totient is φ = 188077716736.

The previous prime is 564245808809. The next prime is 564245808817. The reversal of 564245808816 is 618808542465.

It is not an unprimeable number, because it can be changed into a prime (564245808817) 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, 2623570 + ... + 2830478.

It is an arithmetic number, because the mean of its divisors is an integer number (36441692694).

Almost surely, 2^564245808816 is an apocalyptic number.

It is an amenable number.

564245808816 is an abundant number, since it is smaller than the sum of its proper divisors (893421898944).

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

564245808816 is a wasteful number, since it uses less digits than its factorization.

564245808816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263733 (or 263727 counting only the distinct ones).

The product of its (nonzero) digits is 14745600, while the sum is 57.

The spelling of 564245808816 in words is "five hundred sixty-four billion, two hundred forty-five million, eight hundred eight thousand, eight hundred sixteen".