206642665010 has 16 divisors (see below), whose sum is σ = 372055605696. Its totient is φ = 82635108528.

The previous prime is 206642665001. The next prime is 206642665013. The reversal of 206642665010 is 10566246602.

206642665010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (206642665013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2705132 + ... + 2780471.

It is an arithmetic number, because the mean of its divisors is an integer number (23253475356).

Almost surely, 2^206642665010 is an apocalyptic number.

206642665010 is a deficient number, since it is larger than the sum of its proper divisors (165412940686).

206642665010 is a wasteful number, since it uses less digits than its factorization.

206642665010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489377.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 206642665010 in words is "two hundred six billion, six hundred forty-two million, six hundred sixty-five thousand, ten".