206600420603 has 2 divisors, whose sum is σ = 206600420604. Its totient is φ = 206600420602.

The previous prime is 206600420591. The next prime is 206600420617. The reversal of 206600420603 is 306024006602.

206600420603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206600420603 - 2⁶ = 206600420539 is a prime.

It is not a weakly prime, because it can be changed into another prime (206600420303) 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, 103300210301 + 103300210302.

It is an arithmetic number, because the mean of its divisors is an integer number (103300210302).

Almost surely, 2^206600420603 is an apocalyptic number.

206600420603 is a deficient number, since it is larger than the sum of its proper divisors (1).

206600420603 is an equidigital number, since it uses as much as digits as its factorization.

206600420603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 29.

The spelling of 206600420603 in words is "two hundred six billion, six hundred million, four hundred twenty thousand, six hundred three".