206766113 has 16 divisors (see below), whose sum is σ = 231966720. Its totient is φ = 183362256.

The previous prime is 206766061. The next prime is 206766163. The reversal of 206766113 is 311667602.

It is not a de Polignac number, because 206766113 - 2¹⁰ = 206765089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 206766113.

It is not an unprimeable number, because it can be changed into a prime (206766163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15506 + ... + 25572.

It is an arithmetic number, because the mean of its divisors is an integer number (14497920).

Almost surely, 2^206766113 is an apocalyptic number.

206766113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

206766113 is a deficient number, since it is larger than the sum of its proper divisors (25200607).

206766113 is a wasteful number, since it uses less digits than its factorization.

206766113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10156.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 206766113 is about 14379.3641375410. The cubic root of 206766113 is about 591.3252914382.

The spelling of 206766113 in words is "two hundred six million, seven hundred sixty-six thousand, one hundred thirteen".