3666666703333 has 4 divisors (see below), whose sum is σ = 3687150875040. Its totient is φ = 3646182531628.

The previous prime is 3666666703253. The next prime is 3666666703351. The reversal of 3666666703333 is 3333076666663.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3666666703333 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666666709333) 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, 10242085585 + ... + 10242085942.

It is an arithmetic number, because the mean of its divisors is an integer number (921787718760).

Almost surely, 2^{3666666703333} is an apocalyptic number.

It is an amenable number.

3666666703333 is a deficient number, since it is larger than the sum of its proper divisors (20484171707).

3666666703333 is a wasteful number, since it uses less digits than its factorization.

3666666703333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20484171706.

The product of its (nonzero) digits is 79361856, while the sum is 58.

The spelling of 3666666703333 in words is "three trillion, six hundred sixty-six billion, six hundred sixty-six million, seven hundred three thousand, three hundred thirty-three".