1346666668117 has 2 divisors, whose sum is σ = 1346666668118. Its totient is φ = 1346666668116.

The previous prime is 1346666668073. The next prime is 1346666668163. The reversal of 1346666668117 is 7118666666431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 880943679396 + 465722988721 = 938586^2 + 682439^2 .

It is a cyclic number.

It is not a de Polignac number, because 1346666668117 - 2²³ = 1346658279509 is a prime.

It is a super-2 number, since 2×1346666668117² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1346660668117) 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, 673333334058 + 673333334059.

It is an arithmetic number, because the mean of its divisors is an integer number (673333334059).

Almost surely, 2^{1346666668117} is an apocalyptic number.

It is an amenable number.

1346666668117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1346666668117 is an equidigital number, since it uses as much as digits as its factorization.

1346666668117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 61.

The spelling of 1346666668117 in words is "one trillion, three hundred forty-six billion, six hundred sixty-six million, six hundred sixty-eight thousand, one hundred seventeen".