66733060803 has 32 divisors (see below), whose sum is σ = 90658423296. Its totient is φ = 43657325568.

The previous prime is 66733060777. The next prime is 66733060813. The reversal of 66733060803 is 30806033766.

It is not a de Polignac number, because 66733060803 - 2¹² = 66733056707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66733060813) 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 31 ways as a sum of consecutive naturals, for example, 23857401 + ... + 23860197.

It is an arithmetic number, because the mean of its divisors is an integer number (2833075728).

Almost surely, 2^66733060803 is an apocalyptic number.

66733060803 is a deficient number, since it is larger than the sum of its proper divisors (23925362493).

66733060803 is a wasteful number, since it uses less digits than its factorization.

66733060803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563.

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 66733060803 in words is "sixty-six billion, seven hundred thirty-three million, sixty thousand, eight hundred three".