3666683336607 has 16 divisors (see below), whose sum is σ = 5432195222880. Its totient is φ = 2444423265216.

The previous prime is 3666683336593. The next prime is 3666683336627. The reversal of 3666683336607 is 7066333866663.

It is a happy number.

3666683336607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3666683336607 - 2¹⁸ = 3666683074463 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666683336627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280793 + ... + 2995629.

It is an arithmetic number, because the mean of its divisors is an integer number (339512201430).

Almost surely, 2^{3666683336607} is an apocalyptic number.

3666683336607 is a deficient number, since it is larger than the sum of its proper divisors (1765511886273).

3666683336607 is a wasteful number, since it uses less digits than its factorization.

3666683336607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794039 (or 1794033 counting only the distinct ones).

The product of its (nonzero) digits is 211631616, while the sum is 63.

The spelling of 3666683336607 in words is "three trillion, six hundred sixty-six billion, six hundred eighty-three million, three hundred thirty-six thousand, six hundred seven".