206255855716 has 27 divisors (see below), whose sum is σ = 364863078027. Its totient is φ = 102021154560.

The previous prime is 206255855671. The next prime is 206255855779. The reversal of 206255855716 is 617558552602.

The square root of 206255855716 is 454154.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2219352100 + 204036503616 = 47110^2 + 451704^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 88104706 + ... + 88107046.

Almost surely, 2^206255855716 is an apocalyptic number.

206255855716 is the 454154-th square number.

It is an amenable number.

206255855716 is a deficient number, since it is larger than the sum of its proper divisors (158607222311).

206255855716 is an frugal number, since it uses more digits than its factorization.

206255855716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4880 (or 2440 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 52.

The spelling of 206255855716 in words is "two hundred six billion, two hundred fifty-five million, eight hundred fifty-five thousand, seven hundred sixteen".