206032161 has 16 divisors (see below), whose sum is σ = 281032704. Its totient is φ = 134203344.

The previous prime is 206032121. The next prime is 206032187. The reversal of 206032161 is 161230602.

It is a happy number.

It is not a de Polignac number, because 206032161 - 2¹⁷ = 205901089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206032121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 132756 + ... + 134298.

It is an arithmetic number, because the mean of its divisors is an integer number (17564544).

Almost surely, 2^206032161 is an apocalyptic number.

It is an amenable number.

206032161 is a deficient number, since it is larger than the sum of its proper divisors (75000543).

206032161 is a wasteful number, since it uses less digits than its factorization.

206032161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 206032161 is about 14353.8204322055. The cubic root of 206032161 is about 590.6247915455.

Adding to 206032161 its reverse (161230602), we get a palindrome (367262763).

The spelling of 206032161 in words is "two hundred six million, thirty-two thousand, one hundred sixty-one".