206117067 has 8 divisors (see below), whose sum is σ = 295963024. Its totient is φ = 126841248.

The previous prime is 206117059. The next prime is 206117069. The reversal of 206117067 is 760711602.

It is a happy number.

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

It is not a de Polignac number, because 206117067 - 2³ = 206117059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206117069) 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, 2642488 + ... + 2642565.

It is an arithmetic number, because the mean of its divisors is an integer number (36995378).

Almost surely, 2^206117067 is an apocalyptic number.

206117067 is a deficient number, since it is larger than the sum of its proper divisors (89845957).

206117067 is a wasteful number, since it uses less digits than its factorization.

206117067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285069.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 206117067 is about 14356.7777373615. Note that the first 4 decimals coincide. The cubic root of 206117067 is about 590.7059127020.

Adding to 206117067 its reverse (760711602), we get a palindrome (966828669).

The spelling of 206117067 in words is "two hundred six million, one hundred seventeen thousand, sixty-seven".