6536631530566 has 8 divisors (see below), whose sum is σ = 9805702549104. Its totient is φ = 3268064014200.

The previous prime is 6536631530563. The next prime is 6536631530573. The reversal of 6536631530566 is 6650351366356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6536631530563) 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, 125843085 + ... + 125895016.

It is an arithmetic number, because the mean of its divisors is an integer number (1225712818638).

Almost surely, 2^{6536631530566} is an apocalyptic number.

6536631530566 is a deficient number, since it is larger than the sum of its proper divisors (3269071018538).

6536631530566 is a wasteful number, since it uses less digits than its factorization.

6536631530566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251751086.

The product of its (nonzero) digits is 26244000, while the sum is 55.

The spelling of 6536631530566 in words is "six trillion, five hundred thirty-six billion, six hundred thirty-one million, five hundred thirty thousand, five hundred sixty-six".