206065534522066 has 8 divisors (see below), whose sum is σ = 309099023953020. Its totient is φ = 103032526537728.

The previous prime is 206065534522063. The next prime is 206065534522097. The reversal of 206065534522066 is 660225435560602.

It can be written as a sum of positive squares in 2 ways, for example, as 200954864981025 + 5110669541041 = 14175855^2 + 2260679^2 .

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

It is not an unprimeable number, because it can be changed into a prime (206065534522063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119289711 + ... + 121004818.

Almost surely, 2^{206065534522066} is an apocalyptic number.

206065534522066 is a deficient number, since it is larger than the sum of its proper divisors (103033489430954).

206065534522066 is a wasteful number, since it uses less digits than its factorization.

206065534522066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240723308.

The product of its (nonzero) digits is 15552000, while the sum is 52.

The spelling of 206065534522066 in words is "two hundred six trillion, sixty-five billion, five hundred thirty-four million, five hundred twenty-two thousand, sixty-six".