206066474 has 4 divisors (see below), whose sum is σ = 309099714. Its totient is φ = 103033236.

The previous prime is 206066467. The next prime is 206066513. The reversal of 206066474 is 474660602.

It is a happy number.

206066474 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 170485249 + 35581225 = 13057^2 + 5965^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 51516617 + ... + 51516620.

Almost surely, 2^206066474 is an apocalyptic number.

206066474 is a deficient number, since it is larger than the sum of its proper divisors (103033240).

206066474 is a wasteful number, since it uses less digits than its factorization.

206066474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103033239.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 206066474 is about 14355.0156391416. The cubic root of 206066474 is about 590.6575776624.

The spelling of 206066474 in words is "two hundred six million, sixty-six thousand, four hundred seventy-four".