206090566 has 8 divisors (see below), whose sum is σ = 337239144. Its totient is φ = 93677520.

The previous prime is 206090561. The next prime is 206090567. The reversal of 206090566 is 665090602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206090561) 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, 4683855 + ... + 4683898.

It is an arithmetic number, because the mean of its divisors is an integer number (42154893).

Almost surely, 2^206090566 is an apocalyptic number.

206090566 is a deficient number, since it is larger than the sum of its proper divisors (131148578).

206090566 is a wasteful number, since it uses less digits than its factorization.

206090566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367766.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 206090566 is about 14355.8547638237. The cubic root of 206090566 is about 590.6805954255.

The spelling of 206090566 in words is "two hundred six million, ninety thousand, five hundred sixty-six".