206116056 has 128 divisors (see below), whose sum is σ = 594432000. Its totient is φ = 66134016.

The previous prime is 206116051. The next prime is 206116063. The reversal of 206116056 is 650611602.

It is a happy number.

206116056 is a nontrivial binomial coefficient, being equal to C(20304, 2).

It is a Harshad number since it is a multiple of its sum of digits (27).

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 (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 801880 + ... + 802136.

It is an arithmetic number, because the mean of its divisors is an integer number (4644000).

Almost surely, 2^206116056 is an apocalyptic number.

206116056 is the 20303-rd triangular number and also the 10152-nd hexagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206116056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297216000).

206116056 is an abundant number, since it is smaller than the sum of its proper divisors (388315944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206116056 is a wasteful number, since it uses less digits than its factorization.

206116056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 206116056 is about 14356.7425274677. The cubic root of 206116056 is about 590.7049469003.

Adding to 206116056 its reverse (650611602), we get a palindrome (856727658).

The spelling of 206116056 in words is "two hundred six million, one hundred sixteen thousand, fifty-six".