206040568 has 16 divisors (see below), whose sum is σ = 396767880. Its totient is φ = 100235808.

The previous prime is 206040559. The next prime is 206040581. The reversal of 206040568 is 865040602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347746 + ... + 348337.

Almost surely, 2^206040568 is an apocalyptic number.

It is an amenable number.

206040568 is a deficient number, since it is larger than the sum of its proper divisors (190727312).

206040568 is a wasteful number, since it uses less digits than its factorization.

206040568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696126 (or 696122 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 206040568 is about 14354.1132780817. The cubic root of 206040568 is about 590.6328247818.

The spelling of 206040568 in words is "two hundred six million, forty thousand, five hundred sixty-eight".