1666650333006 has 24 divisors (see below), whose sum is σ = 3638641190184. Its totient is φ = 551309269680.

The previous prime is 1666650332989. The next prime is 1666650333037. The reversal of 1666650333006 is 6003330566661.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353401021 + ... + 353405736.

It is an arithmetic number, because the mean of its divisors is an integer number (151610049591).

Almost surely, 2^{1666650333006} is an apocalyptic number.

1666650333006 is an abundant number, since it is smaller than the sum of its proper divisors (1971990857178).

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

1666650333006 is a wasteful number, since it uses less digits than its factorization.

1666650333006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706806896 (or 706806893 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 45.

Adding to 1666650333006 its reverse (6003330566661), we get a palindrome (7669980899667).

The spelling of 1666650333006 in words is "one trillion, six hundred sixty-six billion, six hundred fifty million, three hundred thirty-three thousand, six".