206116147 has 2 divisors, whose sum is σ = 206116148. Its totient is φ = 206116146.

The previous prime is 206116091. The next prime is 206116153. The reversal of 206116147 is 741611602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206116147 - 2⁷ = 206116019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (206116747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103058073 + 103058074.

It is an arithmetic number, because the mean of its divisors is an integer number (103058074).

Almost surely, 2^206116147 is an apocalyptic number.

206116147 is a deficient number, since it is larger than the sum of its proper divisors (1).

206116147 is an equidigital number, since it uses as much as digits as its factorization.

206116147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 206116147 is about 14356.7456967100. The cubic root of 206116147 is about 590.7050338321.

Adding to 206116147 its reverse (741611602), we get a palindrome (947727749).

The spelling of 206116147 in words is "two hundred six million, one hundred sixteen thousand, one hundred forty-seven".