6656060071673 has 2 divisors, whose sum is σ = 6656060071674. Its totient is φ = 6656060071672.

The previous prime is 6656060071621. The next prime is 6656060071721. The reversal of 6656060071673 is 3761700606566.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6168085174969 + 487974896704 = 2483563^2 + 698552^2 .

It is a cyclic number.

It is not a de Polignac number, because 6656060071673 - 2¹² = 6656060067577 is a prime.

It is a super-3 number, since 3×6656060071673³ (a number of 39 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6656066071673) 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 as a sum of consecutive naturals, namely, 3328030035836 + 3328030035837.

It is an arithmetic number, because the mean of its divisors is an integer number (3328030035837).

Almost surely, 2^{6656060071673} is an apocalyptic number.

It is an amenable number.

6656060071673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6656060071673 is an equidigital number, since it uses as much as digits as its factorization.

6656060071673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 53.

The spelling of 6656060071673 in words is "six trillion, six hundred fifty-six billion, sixty million, seventy-one thousand, six hundred seventy-three".