206565045063 has 32 divisors (see below), whose sum is σ = 312350438400. Its totient is φ = 120375144576.

The previous prime is 206565045053. The next prime is 206565045067. The reversal of 206565045063 is 360540565602.

It is not a de Polignac number, because 206565045063 - 2⁴ = 206565045047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206565045067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1711906 + ... + 1828592.

It is an arithmetic number, because the mean of its divisors is an integer number (9760951200).

Almost surely, 2^206565045063 is an apocalyptic number.

206565045063 is a deficient number, since it is larger than the sum of its proper divisors (105785393337).

206565045063 is a wasteful number, since it uses less digits than its factorization.

206565045063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119111.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 206565045063 in words is "two hundred six billion, five hundred sixty-five million, forty-five thousand, sixty-three".