566720061 has 8 divisors (see below), whose sum is σ = 758057664. Its totient is φ = 376597920.

The previous prime is 566720057. The next prime is 566720113. The reversal of 566720061 is 160027665.

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

It is not a de Polignac number, because 566720061 - 2² = 566720057 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566720051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 302776 + ... + 304641.

It is an arithmetic number, because the mean of its divisors is an integer number (94757208).

Almost surely, 2^566720061 is an apocalyptic number.

It is an amenable number.

566720061 is a deficient number, since it is larger than the sum of its proper divisors (191337603).

566720061 is a wasteful number, since it uses less digits than its factorization.

566720061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607731.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 566720061 is about 23805.8829073824. The cubic root of 566720061 is about 827.5410170034.

The spelling of 566720061 in words is "five hundred sixty-six million, seven hundred twenty thousand, sixty-one".