206113117 has 8 divisors (see below), whose sum is σ = 249414336. Its totient is φ = 166276032.

The previous prime is 206113093. The next prime is 206113123. The reversal of 206113117 is 711311602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 206113117 - 2⁷ = 206112989 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 (206113157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 865903 + ... + 866140.

It is an arithmetic number, because the mean of its divisors is an integer number (31176792).

Almost surely, 2^206113117 is an apocalyptic number.

It is an amenable number.

206113117 is a deficient number, since it is larger than the sum of its proper divisors (43301219).

206113117 is a wasteful number, since it uses less digits than its factorization.

206113117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732067.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 206113117 is about 14356.6401710149. The cubic root of 206113117 is about 590.7021392748.

Adding to 206113117 its reverse (711311602), we get a palindrome (917424719).

The spelling of 206113117 in words is "two hundred six million, one hundred thirteen thousand, one hundred seventeen".