266004160340323 has 2 divisors, whose sum is σ = 266004160340324. Its totient is φ = 266004160340322.

The previous prime is 266004160340309. The next prime is 266004160340329. The reversal of 266004160340323 is 323043061400662.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 266004160340323 - 2⁴¹ = 263805137084771 is a prime.

It is not a weakly prime, because it can be changed into another prime (266004160340329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133002080170161 + 133002080170162.

It is an arithmetic number, because the mean of its divisors is an integer number (133002080170162).

Almost surely, 2^{266004160340323} is an apocalyptic number.

266004160340323 is a deficient number, since it is larger than the sum of its proper divisors (1).

266004160340323 is an equidigital number, since it uses as much as digits as its factorization.

266004160340323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 40.

The spelling of 266004160340323 in words is "two hundred sixty-six trillion, four billion, one hundred sixty million, three hundred forty thousand, three hundred twenty-three".