206566168 has 16 divisors (see below), whose sum is σ = 387560160. Its totient is φ = 103216800.

The previous prime is 206566097. The next prime is 206566169. The reversal of 206566168 is 861665602.

It is a self number, because there is not a number n which added to its sum of digits gives 206566168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206566169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6513 + ... + 21343.

It is an arithmetic number, because the mean of its divisors is an integer number (24222510).

Almost surely, 2^206566168 is an apocalyptic number.

It is an amenable number.

206566168 is a deficient number, since it is larger than the sum of its proper divisors (180993992).

206566168 is a wasteful number, since it uses less digits than its factorization.

206566168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16578 (or 16574 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 206566168 is about 14372.4099579716. The cubic root of 206566168 is about 591.1346240461.

The spelling of 206566168 in words is "two hundred six million, five hundred sixty-six thousand, one hundred sixty-eight".