200660243610193 has 2 divisors, whose sum is σ = 200660243610194. Its totient is φ = 200660243610192.

The previous prime is 200660243610163. The next prime is 200660243610217. The reversal of 200660243610193 is 391016342066002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188315020275264 + 12345223334929 = 13722792^2 + 3513577^2 .

It is a cyclic number.

It is not a de Polignac number, because 200660243610193 - 2¹⁷ = 200660243479121 is a prime.

It is a super-2 number, since 2×200660243610193² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200660243610143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100330121805096 + 100330121805097.

It is an arithmetic number, because the mean of its divisors is an integer number (100330121805097).

Almost surely, 2^{200660243610193} is an apocalyptic number.

It is an amenable number.

200660243610193 is a deficient number, since it is larger than the sum of its proper divisors (1).

200660243610193 is an equidigital number, since it uses as much as digits as its factorization.

200660243610193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 43.

Adding to 200660243610193 its reverse (391016342066002), we get a palindrome (591676585676195).

The spelling of 200660243610193 in words is "two hundred trillion, six hundred sixty billion, two hundred forty-three million, six hundred ten thousand, one hundred ninety-three".