206017871 has 8 divisors (see below), whose sum is σ = 208364640. Its totient is φ = 203680512.

The previous prime is 206017853. The next prime is 206017879. The reversal of 206017871 is 178710602.

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 206017871 - 2¹⁰ = 206016847 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 (206017879) 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, 47531 + ... + 51683.

It is an arithmetic number, because the mean of its divisors is an integer number (26045580).

Almost surely, 2^206017871 is an apocalyptic number.

206017871 is a deficient number, since it is larger than the sum of its proper divisors (2346769).

206017871 is a wasteful number, since it uses less digits than its factorization.

206017871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 206017871 is about 14353.3226466906. The cubic root of 206017871 is about 590.6111363580.

The spelling of 206017871 in words is "two hundred six million, seventeen thousand, eight hundred seventy-one".