206450660266 has 16 divisors (see below), whose sum is σ = 312033254400. Its totient is φ = 102442524688.

The previous prime is 206450660257. The next prime is 206450660267. The reversal of 206450660266 is 662066054602.

It is not an unprimeable number, because it can be changed into a prime (206450660267) 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, 596986 + ... + 877093.

It is an arithmetic number, because the mean of its divisors is an integer number (19502078400).

Almost surely, 2^206450660266 is an apocalyptic number.

206450660266 is a deficient number, since it is larger than the sum of its proper divisors (105582594134).

206450660266 is a wasteful number, since it uses less digits than its factorization.

206450660266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474613.

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 206450660266 in words is "two hundred six billion, four hundred fifty million, six hundred sixty thousand, two hundred sixty-six".