16726322206393 has 2 divisors, whose sum is σ = 16726322206394. Its totient is φ = 16726322206392.

The previous prime is 16726322206367. The next prime is 16726322206411. The reversal of 16726322206393 is 39360222362761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12704320033344 + 4022002173049 = 3564312^2 + 2005493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16726322206393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16726322206393.

It is not a weakly prime, because it can be changed into another prime (16726322206343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8363161103196 + 8363161103197.

It is an arithmetic number, because the mean of its divisors is an integer number (8363161103197).

Almost surely, 2^{16726322206393} is an apocalyptic number.

It is an amenable number.

16726322206393 is a deficient number, since it is larger than the sum of its proper divisors (1).

16726322206393 is an equidigital number, since it uses as much as digits as its factorization.

16726322206393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5878656, while the sum is 52.

The spelling of 16726322206393 in words is "sixteen trillion, seven hundred twenty-six billion, three hundred twenty-two million, two hundred six thousand, three hundred ninety-three".