206066473 has 4 divisors (see below), whose sum is σ = 209142160. Its totient is φ = 202990788.

The previous prime is 206066467. The next prime is 206066513. The reversal of 206066473 is 374660602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-206066473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206066873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1537743 + ... + 1537876.

It is an arithmetic number, because the mean of its divisors is an integer number (52285540).

Almost surely, 2^206066473 is an apocalyptic number.

It is an amenable number.

206066473 is a deficient number, since it is larger than the sum of its proper divisors (3075687).

206066473 is an equidigital number, since it uses as much as digits as its factorization.

206066473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075686.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 206066473 is about 14355.0156043106. The cubic root of 206066473 is about 590.6575767069.

The spelling of 206066473 in words is "two hundred six million, sixty-six thousand, four hundred seventy-three".