206671113 has 24 divisors (see below), whose sum is σ = 342806880. Its totient is φ = 118661760.

The previous prime is 206671109. The next prime is 206671117. The reversal of 206671113 is 311176602.

It is an interprime number because it is at equal distance from previous prime (206671109) and next prime (206671117).

It is not a de Polignac number, because 206671113 - 2² = 206671109 is a prime.

It is not an unprimeable number, because it can be changed into a prime (206671117) 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 23 ways as a sum of consecutive naturals, for example, 53056 + ... + 56817.

It is an arithmetic number, because the mean of its divisors is an integer number (14283620).

Almost surely, 2^206671113 is an apocalyptic number.

It is an amenable number.

206671113 is a deficient number, since it is larger than the sum of its proper divisors (136135767).

206671113 is a wasteful number, since it uses less digits than its factorization.

206671113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109909 (or 109906 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 206671113 is about 14376.0604130617. The cubic root of 206671113 is about 591.2347148481.

The spelling of 206671113 in words is "two hundred six million, six hundred seventy-one thousand, one hundred thirteen".