66513883332 has 24 divisors (see below), whose sum is σ = 167137450816. Its totient is φ = 20465810208.

The previous prime is 66513883327. The next prime is 66513883361. The reversal of 66513883332 is 23338831566.

It is an unprimeable number.

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, 213185368 + ... + 213185679.

Almost surely, 2^66513883332 is an apocalyptic number.

It is an amenable number.

66513883332 is an abundant number, since it is smaller than the sum of its proper divisors (100623567484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66513883332 is a wasteful number, since it uses less digits than its factorization.

66513883332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426371067 (or 426371065 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 48.

The spelling of 66513883332 in words is "sixty-six billion, five hundred thirteen million, eight hundred eighty-three thousand, three hundred thirty-two".