66160350645299 has 2 divisors, whose sum is σ = 66160350645300. Its totient is φ = 66160350645298.

The previous prime is 66160350645223. The next prime is 66160350645331. The reversal of 66160350645299 is 99254605306166.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66160350645299 - 2⁴⁴ = 48568164600883 is a prime.

It is not a weakly prime, because it can be changed into another prime (66160350648299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33080175322649 + 33080175322650.

It is an arithmetic number, because the mean of its divisors is an integer number (33080175322650).

Almost surely, 2^{66160350645299} is an apocalyptic number.

66160350645299 is a deficient number, since it is larger than the sum of its proper divisors (1).

66160350645299 is an equidigital number, since it uses as much as digits as its factorization.

66160350645299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62985600, while the sum is 62.

The spelling of 66160350645299 in words is "sixty-six trillion, one hundred sixty billion, three hundred fifty million, six hundred forty-five thousand, two hundred ninety-nine".