666000600200 has 48 divisors (see below), whose sum is σ = 1667563047780. Its totient is φ = 245907912960.

The previous prime is 666000600131. The next prime is 666000600217. The reversal of 666000600200 is 2006000666.

It can be written as a sum of positive squares in 6 ways, for example, as 24306680836 + 641693919364 = 155906^2 + 801058^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 666000600200.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 128074439 + ... + 128079638.

Almost surely, 2^666000600200 is an apocalyptic number.

It is an amenable number.

666000600200 is an abundant number, since it is smaller than the sum of its proper divisors (1001562447580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

666000600200 is a wasteful number, since it uses less digits than its factorization.

666000600200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256154106 (or 256154097 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 666000600200 its reverse (2006000666), we get a palindrome (668006600866).

The spelling of 666000600200 in words is "six hundred sixty-six billion, six hundred thousand, two hundred".