6572561056 has 12 divisors (see below), whose sum is σ = 12939729642. Its totient is φ = 3286280512.

The previous prime is 6572561053. The next prime is 6572561081. The reversal of 6572561056 is 6501652756.

It can be written as a sum of positive squares in only one way, i.e., 5296928400 + 1275632656 = 72780^2 + 35716^2 .

It is not an unprimeable number, because it can be changed into a prime (6572561053) by changing a digit.

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 as a sum of consecutive naturals, namely, 102696235 + ... + 102696298.

Almost surely, 2^6572561056 is an apocalyptic number.

It is an amenable number.

6572561056 is a deficient number, since it is larger than the sum of its proper divisors (6367168586).

6572561056 is a wasteful number, since it uses less digits than its factorization.

6572561056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205392543 (or 205392535 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 43.

The square root of 6572561056 is about 81071.3331332352. Note that the first 3 decimals coincide. The cubic root of 6572561056 is about 1873.1743824249.

The spelling of 6572561056 in words is "six billion, five hundred seventy-two million, five hundred sixty-one thousand, fifty-six".