206702286668 has 24 divisors (see below), whose sum is σ = 366167789568. Its totient is φ = 102083466896.

The previous prime is 206702286641. The next prime is 206702286727. The reversal of 206702286668 is 866682207602.

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, 1495205 + ... + 1627587.

It is an arithmetic number, because the mean of its divisors is an integer number (15256991232).

Almost surely, 2^206702286668 is an apocalyptic number.

It is an amenable number.

206702286668 is a deficient number, since it is larger than the sum of its proper divisors (159465502900).

206702286668 is a wasteful number, since it uses less digits than its factorization.

206702286668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137173 (or 137171 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 53.

The spelling of 206702286668 in words is "two hundred six billion, seven hundred two million, two hundred eighty-six thousand, six hundred sixty-eight".