16326866323303 has 2 divisors, whose sum is σ = 16326866323304. Its totient is φ = 16326866323302.

The previous prime is 16326866323289. The next prime is 16326866323309. The reversal of 16326866323303 is 30332366862361.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16326866323303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16326866323309) 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, 8163433161651 + 8163433161652.

It is an arithmetic number, because the mean of its divisors is an integer number (8163433161652).

Almost surely, 2^{16326866323303} is an apocalyptic number.

16326866323303 is a deficient number, since it is larger than the sum of its proper divisors (1).

16326866323303 is an equidigital number, since it uses as much as digits as its factorization.

16326866323303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10077696, while the sum is 52.

The spelling of 16326866323303 in words is "sixteen trillion, three hundred twenty-six billion, eight hundred sixty-six million, three hundred twenty-three thousand, three hundred three".