6566365132566 has 16 divisors (see below), whose sum is σ = 13132780095600. Its totient is φ = 2188780072448.

The previous prime is 6566365132541. The next prime is 6566365132567. The reversal of 6566365132566 is 6652315636656.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6566365132567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238011 + ... + 3631718.

It is an arithmetic number, because the mean of its divisors is an integer number (820798755975).

Almost surely, 2^{6566365132566} is an apocalyptic number.

6566365132566 is an abundant number, since it is smaller than the sum of its proper divisors (6566414963034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566365132566 is a wasteful number, since it uses less digits than its factorization.

6566365132566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152543.

The product of its digits is 104976000, while the sum is 60.

The spelling of 6566365132566 in words is "six trillion, five hundred sixty-six billion, three hundred sixty-five million, one hundred thirty-two thousand, five hundred sixty-six".