206584221070868 has 96 divisors (see below), whose sum is σ = 386806839350400. Its totient is φ = 96259520102400.

The previous prime is 206584221070867. The next prime is 206584221070967. The reversal of 206584221070868 is 868070122485602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206584221070867) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2825201348 + ... + 2825274468.

It is an arithmetic number, because the mean of its divisors is an integer number (4029237909900).

Almost surely, 2^{206584221070868} is an apocalyptic number.

It is an amenable number.

206584221070868 is a deficient number, since it is larger than the sum of its proper divisors (180222618279532).

206584221070868 is a wasteful number, since it uses less digits than its factorization.

206584221070868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75561 (or 75559 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 59.

The spelling of 206584221070868 in words is "two hundred six trillion, five hundred eighty-four billion, two hundred twenty-one million, seventy thousand, eight hundred sixty-eight".