6566316041 has 4 divisors (see below), whose sum is σ = 6566634900. Its totient is φ = 6565997184.

The previous prime is 6566316019. The next prime is 6566316061. The reversal of 6566316041 is 1406136656.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4632163600 + 1934152441 = 68060^2 + 43979^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6566316041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6566315986 and 6566316004.

It is not an unprimeable number, because it can be changed into a prime (6566316061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126236 + ... + 170493.

It is an arithmetic number, because the mean of its divisors is an integer number (1641658725).

Almost surely, 2^6566316041 is an apocalyptic number.

It is an amenable number.

6566316041 is a deficient number, since it is larger than the sum of its proper divisors (318859).

6566316041 is a wasteful number, since it uses less digits than its factorization.

6566316041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318858.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 6566316041 is about 81032.8084235021. The cubic root of 6566316041 is about 1872.5809197456.

The spelling of 6566316041 in words is "six billion, five hundred sixty-six million, three hundred sixteen thousand, forty-one".