6611166666656 has 24 divisors (see below), whose sum is σ = 13015795189824. Its totient is φ = 3305567888320.

The previous prime is 6611166666653. The next prime is 6611166666661. The reversal of 6611166666656 is 6566666611166.

It is not an unprimeable number, because it can be changed into a prime (6611166666653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9927191 + ... + 10572201.

It is an arithmetic number, because the mean of its divisors is an integer number (542324799576).

Almost surely, 2^{6611166666656} is an apocalyptic number.

It is an amenable number.

6611166666656 is a deficient number, since it is larger than the sum of its proper divisors (6404628523168).

6611166666656 is a wasteful number, since it uses less digits than its factorization.

6611166666656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965324 (or 965316 counting only the distinct ones).

The product of its digits is 50388480, while the sum is 62.

The spelling of 6611166666656 in words is "six trillion, six hundred eleven billion, one hundred sixty-six million, six hundred sixty-six thousand, six hundred fifty-six".