66673333339 has 4 divisors (see below), whose sum is σ = 67072575024. Its totient is φ = 66274091656.

The previous prime is 66673333261. The next prime is 66673333351. The reversal of 66673333339 is 93333337666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 66673333339 - 2¹⁵ = 66673300571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66673336339) 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 3 ways as a sum of consecutive naturals, for example, 199620592 + ... + 199620925.

It is an arithmetic number, because the mean of its divisors is an integer number (16768143756).

Almost surely, 2^66673333339 is an apocalyptic number.

66673333339 is a deficient number, since it is larger than the sum of its proper divisors (399241685).

66673333339 is a wasteful number, since it uses less digits than its factorization.

66673333339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399241684.

The product of its digits is 9920232, while the sum is 52.

The spelling of 66673333339 in words is "sixty-six billion, six hundred seventy-three million, three hundred thirty-three thousand, three hundred thirty-nine".