206611361027 has 2 divisors, whose sum is σ = 206611361028. Its totient is φ = 206611361026.

The previous prime is 206611361023. The next prime is 206611361029. The reversal of 206611361027 is 720163116602.

206611361027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206611361027 - 2² = 206611361023 is a prime.

Together with 206611361029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206611361023) 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, 103305680513 + 103305680514.

It is an arithmetic number, because the mean of its divisors is an integer number (103305680514).

Almost surely, 2^206611361027 is an apocalyptic number.

206611361027 is a deficient number, since it is larger than the sum of its proper divisors (1).

206611361027 is an equidigital number, since it uses as much as digits as its factorization.

206611361027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

Adding to 206611361027 its reverse (720163116602), we get a palindrome (926774477629).

The spelling of 206611361027 in words is "two hundred six billion, six hundred eleven million, three hundred sixty-one thousand, twenty-seven".