206642665006 has 8 divisors (see below), whose sum is σ = 311353971264. Its totient is φ = 102858007920.

The previous prime is 206642665001. The next prime is 206642665013. The reversal of 206642665006 is 600566246602.

206642665006 is digitally balanced in base 2 and base 3, because in such bases 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (206642665001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231661735 + ... + 231662626.

It is an arithmetic number, because the mean of its divisors is an integer number (38919246408).

Almost surely, 2^206642665006 is an apocalyptic number.

206642665006 is a deficient number, since it is larger than the sum of its proper divisors (104711306258).

206642665006 is a wasteful number, since it uses less digits than its factorization.

206642665006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463324586.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 206642665006 in words is "two hundred six billion, six hundred forty-two million, six hundred sixty-five thousand, six".