66664333303 has 4 divisors (see below), whose sum is σ = 67757191288. Its totient is φ = 65571475320.

The previous prime is 66664333271. The next prime is 66664333321. The reversal of 66664333303 is 30333346666.

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 66664333303 - 2⁵ = 66664333271 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 66664333303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66664333363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546428901 + ... + 546429022.

It is an arithmetic number, because the mean of its divisors is an integer number (16939297822).

Almost surely, 2^66664333303 is an apocalyptic number.

66664333303 is a deficient number, since it is larger than the sum of its proper divisors (1092857985).

66664333303 is a wasteful number, since it uses less digits than its factorization.

66664333303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092857984.

The product of its (nonzero) digits is 1259712, while the sum is 43.

Adding to 66664333303 its reverse (30333346666), we get a palindrome (96997679969).

The spelling of 66664333303 in words is "sixty-six billion, six hundred sixty-four million, three hundred thirty-three thousand, three hundred three".