566642246665 has 32 divisors (see below), whose sum is σ = 744366422016. Its totient is φ = 410672021760.

The previous prime is 566642246659. The next prime is 566642246669.

566642246665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 566642246665 - 2⁵ = 566642246633 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566642246669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23853784 + ... + 23877526.

It is an arithmetic number, because the mean of its divisors is an integer number (23261450688).

Almost surely, 2^566642246665 is an apocalyptic number.

566642246665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

566642246665 is a deficient number, since it is larger than the sum of its proper divisors (177724175351).

566642246665 is a wasteful number, since it uses less digits than its factorization.

566642246665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25249.

The product of its digits is 74649600, while the sum is 58.

The spelling of 566642246665 in words is "five hundred sixty-six billion, six hundred forty-two million, two hundred forty-six thousand, six hundred sixty-five".