206117202671 has 2 divisors, whose sum is σ = 206117202672. Its totient is φ = 206117202670.

The previous prime is 206117202667. The next prime is 206117202689. The reversal of 206117202671 is 176202711602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206117202671 - 2² = 206117202667 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206117202601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103058601335 + 103058601336.

It is an arithmetic number, because the mean of its divisors is an integer number (103058601336).

Almost surely, 2^206117202671 is an apocalyptic number.

206117202671 is a deficient number, since it is larger than the sum of its proper divisors (1).

206117202671 is an equidigital number, since it uses as much as digits as its factorization.

206117202671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 206117202671 in words is "two hundred six billion, one hundred seventeen million, two hundred two thousand, six hundred seventy-one".