564081661347 has 8 divisors (see below), whose sum is σ = 752156555856. Its totient is φ = 376030603872.

The previous prime is 564081661343. The next prime is 564081661361. The reversal of 564081661347 is 743166180465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 564081661347 - 2² = 564081661343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 564081661347.

It is not an unprimeable number, because it can be changed into a prime (564081661343) 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 7 ways as a sum of consecutive naturals, for example, 5903968 + ... + 5998749.

It is an arithmetic number, because the mean of its divisors is an integer number (94019569482).

Almost surely, 2^564081661347 is an apocalyptic number.

564081661347 is a deficient number, since it is larger than the sum of its proper divisors (188074894509).

564081661347 is a wasteful number, since it uses less digits than its factorization.

564081661347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11918517.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 564081661347 in words is "five hundred sixty-four billion, eighty-one million, six hundred sixty-one thousand, three hundred forty-seven".