6666641141759 has 2 divisors, whose sum is σ = 6666641141760. Its totient is φ = 6666641141758.

The previous prime is 6666641141749. The next prime is 6666641141833. The reversal of 6666641141759 is 9571411466666.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6666641141759 - 2⁴⁰ = 5567129513983 is a prime.

It is a super-2 number, since 2×6666641141759² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6666641141749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333320570879 + 3333320570880.

It is an arithmetic number, because the mean of its divisors is an integer number (3333320570880).

Almost surely, 2^{6666641141759} is an apocalyptic number.

6666641141759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666641141759 is an equidigital number, since it uses as much as digits as its factorization.

6666641141759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 39191040, while the sum is 62.

The spelling of 6666641141759 in words is "six trillion, six hundred sixty-six billion, six hundred forty-one million, one hundred forty-one thousand, seven hundred fifty-nine".