6666666105179 has 2 divisors, whose sum is σ = 6666666105180. Its totient is φ = 6666666105178.

The previous prime is 6666666105157. The next prime is 6666666105181. The reversal of 6666666105179 is 9715016666666.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6666666105179 - 2¹² = 6666666101083 is a prime.

Together with 6666666105181, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6666666105109) 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 as a sum of consecutive naturals, namely, 3333333052589 + 3333333052590.

It is an arithmetic number, because the mean of its divisors is an integer number (3333333052590).

Almost surely, 2^{6666666105179} is an apocalyptic number.

6666666105179 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666666105179 is an equidigital number, since it uses as much as digits as its factorization.

6666666105179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88179840, while the sum is 65.

The spelling of 6666666105179 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-six million, one hundred five thousand, one hundred seventy-nine".