6116666616566 has 16 divisors (see below), whose sum is σ = 10010234646288. Its totient is φ = 2779985280000.

The previous prime is 6116666616559. The next prime is 6116666616581. The reversal of 6116666616566 is 6656166666116.

It is a super-2 number, since 2×6116666616566² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6116666616499 and 6116666616508.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15689435 + ... + 16074566.

It is an arithmetic number, because the mean of its divisors is an integer number (625639665393).

Almost surely, 2^{6116666616566} is an apocalyptic number.

6116666616566 is a deficient number, since it is larger than the sum of its proper divisors (3893568029722).

6116666616566 is a wasteful number, since it uses less digits than its factorization.

6116666616566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31772767.

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

The spelling of 6116666616566 in words is "six trillion, one hundred sixteen billion, six hundred sixty-six million, six hundred sixteen thousand, five hundred sixty-six".