7666636333333 has 4 divisors (see below), whose sum is σ = 7669769411520. Its totient is φ = 7663503255148.

The previous prime is 7666636333309. The next prime is 7666636333337. The reversal of 7666636333333 is 3333336366667.

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 not a de Polignac number, because 7666636333333 - 2¹³ = 7666636325141 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 (7666636333337) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1566535423 + ... + 1566540316.

It is an arithmetic number, because the mean of its divisors is an integer number (1917442352880).

Almost surely, 2^{7666636333333} is an apocalyptic number.

It is an amenable number.

7666636333333 is a deficient number, since it is larger than the sum of its proper divisors (3133078187).

7666636333333 is a wasteful number, since it uses less digits than its factorization.

7666636333333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133078186.

The product of its digits is 119042784, while the sum is 58.

The spelling of 7666636333333 in words is "seven trillion, six hundred sixty-six billion, six hundred thirty-six million, three hundred thirty-three thousand, three hundred thirty-three".