206655612179 has 2 divisors, whose sum is σ = 206655612180. Its totient is φ = 206655612178.

The previous prime is 206655612169. The next prime is 206655612209. The reversal of 206655612179 is 971216556602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 206655612179 - 2⁸ = 206655611923 is a prime.

It is not a weakly prime, because it can be changed into another prime (206655612169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103327806089 + 103327806090.

It is an arithmetic number, because the mean of its divisors is an integer number (103327806090).

Almost surely, 2^206655612179 is an apocalyptic number.

206655612179 is a deficient number, since it is larger than the sum of its proper divisors (1).

206655612179 is an equidigital number, since it uses as much as digits as its factorization.

206655612179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 206655612179 in words is "two hundred six billion, six hundred fifty-five million, six hundred twelve thousand, one hundred seventy-nine".