6006556611566 has 64 divisors (see below), whose sum is σ = 10584367718400. Its totient is φ = 2503346691456.

The previous prime is 6006556611547. The next prime is 6006556611569. The reversal of 6006556611566 is 6651166556006.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6006556611569) by changing a digit.

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, 37812455 + ... + 37970973.

It is an arithmetic number, because the mean of its divisors is an integer number (165380745600).

Almost surely, 2^{6006556611566} is an apocalyptic number.

6006556611566 is a deficient number, since it is larger than the sum of its proper divisors (4577811106834).

6006556611566 is a wasteful number, since it uses less digits than its factorization.

6006556611566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159033.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 6006556611566 in words is "six trillion, six billion, five hundred fifty-six million, six hundred eleven thousand, five hundred sixty-six".