206116055 has 16 divisors (see below), whose sum is σ = 257292288. Its totient is φ = 158340000.

The previous prime is 206116051. The next prime is 206116063. The reversal of 206116055 is 550611602.

It is not a de Polignac number, because 206116055 - 2² = 206116051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206116051) 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, 15230 + ... + 25380.

It is an arithmetic number, because the mean of its divisors is an integer number (16080768).

Almost surely, 2^206116055 is an apocalyptic number.

206116055 is a deficient number, since it is larger than the sum of its proper divisors (51176233).

206116055 is a wasteful number, since it uses less digits than its factorization.

206116055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 206116055 is about 14356.7424926409. The cubic root of 206116055 is about 590.7049459450.

Adding to 206116055 its reverse (550611602), we get a palindrome (756727657).

The spelling of 206116055 in words is "two hundred six million, one hundred sixteen thousand, fifty-five".