206066351 has 2 divisors, whose sum is σ = 206066352. Its totient is φ = 206066350.

The previous prime is 206066347. The next prime is 206066389. The reversal of 206066351 is 153660602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206066351 - 2² = 206066347 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206066321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103033175 + 103033176.

It is an arithmetic number, because the mean of its divisors is an integer number (103033176).

Almost surely, 2^206066351 is an apocalyptic number.

206066351 is a deficient number, since it is larger than the sum of its proper divisors (1).

206066351 is an equidigital number, since it uses as much as digits as its factorization.

206066351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 206066351 is about 14355.0113549241. The cubic root of 206066351 is about 590.6574601422.

The spelling of 206066351 in words is "two hundred six million, sixty-six thousand, three hundred fifty-one".