66673085333 has 8 divisors (see below), whose sum is σ = 68430372696. Its totient is φ = 64922041600.

The previous prime is 66673085299. The next prime is 66673085363. The reversal of 66673085333 is 33358037666.

It can be written as a sum of positive squares in 4 ways, for example, as 635392849 + 66037692484 = 25207^2 + 256978^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66673085333 - 2²⁶ = 66605976469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66673085363) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1539266 + ... + 1581987.

It is an arithmetic number, because the mean of its divisors is an integer number (8553796587).

Almost surely, 2^66673085333 is an apocalyptic number.

It is an amenable number.

66673085333 is a deficient number, since it is larger than the sum of its proper divisors (1757287363).

66673085333 is a wasteful number, since it uses less digits than its factorization.

66673085333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3121815.

The product of its (nonzero) digits is 4898880, while the sum is 50.

The spelling of 66673085333 in words is "sixty-six billion, six hundred seventy-three million, eighty-five thousand, three hundred thirty-three".