566345543665 has 32 divisors (see below), whose sum is σ = 785167447680. Its totient is φ = 387580953600.

The previous prime is 566345543611. The next prime is 566345543677.

566345543665 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 566345543665 - 2¹¹ = 566345541617 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4793350 + ... + 4910080.

It is an arithmetic number, because the mean of its divisors is an integer number (24536482740).

Almost surely, 2^566345543665 is an apocalyptic number.

566345543665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

566345543665 is a deficient number, since it is larger than the sum of its proper divisors (218821904015).

566345543665 is a wasteful number, since it uses less digits than its factorization.

566345543665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121953.

The product of its digits is 116640000, while the sum is 58.

The spelling of 566345543665 in words is "five hundred sixty-six billion, three hundred forty-five million, five hundred forty-three thousand, six hundred sixty-five".