206756043612196 has 81 divisors (see below), whose sum is σ = 402698816100819. Its totient is φ = 92840577081408.

The previous prime is 206756043612193. The next prime is 206756043612197. The reversal of 206756043612196 is 691216340657602.

The square root of 206756043612196 is 14379014.

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 858798837796 + 205897244774400 = 926714^2 + 14349120^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206756043612196.

It is not an unprimeable number, because it can be changed into a prime (206756043612193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 13832603995 + ... + 13832618941.

Almost surely, 2^{206756043612196} is an apocalyptic number.

206756043612196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

206756043612196 is the 14379014-th square number.

It is an amenable number.

206756043612196 is a deficient number, since it is larger than the sum of its proper divisors (195942772488623).

206756043612196 is an frugal number, since it uses more digits than its factorization.

206756043612196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29998 (or 14999 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 206756043612196 in words is "two hundred six trillion, seven hundred fifty-six billion, forty-three million, six hundred twelve thousand, one hundred ninety-six".