206530255936 has 21 divisors (see below), whose sum is σ = 409840691239. Its totient is φ = 103263310144.

The previous prime is 206530255907. The next prime is 206530255973. The reversal of 206530255936 is 639552035602.

The square root of 206530255936 is 454456.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3607245 + ... + 3664051.

Almost surely, 2^206530255936 is an apocalyptic number.

206530255936 is the 454456-th square number.

It is an amenable number.

206530255936 is a deficient number, since it is larger than the sum of its proper divisors (203310435303).

206530255936 is an frugal number, since it uses more digits than its factorization.

206530255936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113626 (or 56809 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 46.

The spelling of 206530255936 in words is "two hundred six billion, five hundred thirty million, two hundred fifty-five thousand, nine hundred thirty-six".