16637722290193 has 2 divisors, whose sum is σ = 16637722290194. Its totient is φ = 16637722290192.

The previous prime is 16637722290187. The next prime is 16637722290221. The reversal of 16637722290193 is 39109222773661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16284396664449 + 353325625744 = 4035393^2 + 594412^2 .

It is a cyclic number.

It is not a de Polignac number, because 16637722290193 - 2⁹ = 16637722289681 is a prime.

It is not a weakly prime, because it can be changed into another prime (16637722290793) 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, 8318861145096 + 8318861145097.

It is an arithmetic number, because the mean of its divisors is an integer number (8318861145097).

Almost surely, 2^{16637722290193} is an apocalyptic number.

It is an amenable number.

16637722290193 is a deficient number, since it is larger than the sum of its proper divisors (1).

16637722290193 is an equidigital number, since it uses as much as digits as its factorization.

16637722290193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 16637722290193 in words is "sixteen trillion, six hundred thirty-seven billion, seven hundred twenty-two million, two hundred ninety thousand, one hundred ninety-three".