206160603227261 has 2 divisors, whose sum is σ = 206160603227262. Its totient is φ = 206160603227260.

The previous prime is 206160603227239. The next prime is 206160603227269. The reversal of 206160603227261 is 162722306061602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121896924001636 + 84263679225625 = 11040694^2 + 9179525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206160603227261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206160603227269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103080301613630 + 103080301613631.

It is an arithmetic number, because the mean of its divisors is an integer number (103080301613631).

Almost surely, 2^{206160603227261} is an apocalyptic number.

It is an amenable number.

206160603227261 is a deficient number, since it is larger than the sum of its proper divisors (1).

206160603227261 is an equidigital number, since it uses as much as digits as its factorization.

206160603227261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 44.

Adding to 206160603227261 its reverse (162722306061602), we get a palindrome (368882909288863).

The spelling of 206160603227261 in words is "two hundred six trillion, one hundred sixty billion, six hundred three million, two hundred twenty-seven thousand, two hundred sixty-one".