205068665 has 8 divisors (see below), whose sum is σ = 247458240. Its totient is φ = 163137712.

The previous prime is 205068581. The next prime is 205068673. The reversal of 205068665 is 566860502.

It is a happy number.

205068665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 205068665 - 2¹⁰ = 205067641 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113669 + ... + 115458.

It is an arithmetic number, because the mean of its divisors is an integer number (30932280).

Almost surely, 2^205068665 is an apocalyptic number.

It is an amenable number.

205068665 is a deficient number, since it is larger than the sum of its proper divisors (42389575).

205068665 is a wasteful number, since it uses less digits than its factorization.

205068665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229311.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 205068665 is about 14320.2187483292. The cubic root of 205068665 is about 589.7026798425.

The spelling of 205068665 in words is "two hundred five million, sixty-eight thousand, six hundred sixty-five".