206068161 has 16 divisors (see below), whose sum is σ = 296320640. Its totient is φ = 126627840.

The previous prime is 206068153. The next prime is 206068183. The reversal of 206068161 is 161860602.

It is not a de Polignac number, because 206068161 - 2³ = 206068153 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (206063161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26556 + ... + 33426.

It is an arithmetic number, because the mean of its divisors is an integer number (18520040).

Almost surely, 2^206068161 is an apocalyptic number.

It is an amenable number.

206068161 is a deficient number, since it is larger than the sum of its proper divisors (90252479).

206068161 is a wasteful number, since it uses less digits than its factorization.

206068161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 206068161 is about 14355.0743989713. The cubic root of 206068161 is about 590.6591894992.

The spelling of 206068161 in words is "two hundred six million, sixty-eight thousand, one hundred sixty-one".