566816730499 has 4 divisors (see below), whose sum is σ = 567812894040. Its totient is φ = 565820566960.

The previous prime is 566816730457. The next prime is 566816730509. The reversal of 566816730499 is 994037618665.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 566816730499 - 2⁷ = 566816730371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 566816730499.

It is not an unprimeable number, because it can be changed into a prime (566816730419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498080917 + ... + 498082054.

It is an arithmetic number, because the mean of its divisors is an integer number (141953223510).

Almost surely, 2^566816730499 is an apocalyptic number.

566816730499 is a deficient number, since it is larger than the sum of its proper divisors (996163541).

566816730499 is an equidigital number, since it uses as much as digits as its factorization.

566816730499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996163540.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 566816730499 in words is "five hundred sixty-six billion, eight hundred sixteen million, seven hundred thirty thousand, four hundred ninety-nine".