6666673334137 has 2 divisors, whose sum is σ = 6666673334138. Its totient is φ = 6666673334136.

The previous prime is 6666673334039. The next prime is 6666673334147. The reversal of 6666673334137 is 7314333766666.

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., 4568547157056 + 2098126177081 = 2137416^2 + 1448491^2 .

It is a cyclic number.

It is not a de Polignac number, because 6666673334137 - 2¹⁵ = 6666673301369 is a prime.

It is not a weakly prime, because it can be changed into another prime (6666673334147) 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, 3333336667068 + 3333336667069.

It is an arithmetic number, because the mean of its divisors is an integer number (3333336667069).

Almost surely, 2^{6666673334137} is an apocalyptic number.

It is an amenable number.

6666673334137 is a deficient number, since it is larger than the sum of its proper divisors (1).

6666673334137 is an equidigital number, since it uses as much as digits as its factorization.

6666673334137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123451776, while the sum is 61.

The spelling of 6666673334137 in words is "six trillion, six hundred sixty-six billion, six hundred seventy-three million, three hundred thirty-four thousand, one hundred thirty-seven".