66063882576 has 20 divisors (see below), whose sum is σ = 170665030112. Its totient is φ = 22021294176.

The previous prime is 66063882571. The next prime is 66063882601. The reversal of 66063882576 is 67528836066.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66063882571) 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 3 ways as a sum of consecutive naturals, for example, 688165396 + ... + 688165491.

Almost surely, 2^66063882576 is an apocalyptic number.

It is an amenable number.

66063882576 is an abundant number, since it is smaller than the sum of its proper divisors (104601147536).

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

66063882576 is a wasteful number, since it uses less digits than its factorization.

66063882576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376330898 (or 1376330892 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 66063882576 in words is "sixty-six billion, sixty-three million, eight hundred eighty-two thousand, five hundred seventy-six".