66662808088 has 8 divisors (see below), whose sum is σ = 124992765180. Its totient is φ = 33331404040.

The previous prime is 66662808073. The next prime is 66662808211. The reversal of 66662808088 is 88080826666.

It is a happy number.

66662808088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166425498 + ... + 4166425513.

Almost surely, 2^66662808088 is an apocalyptic number.

It is an amenable number.

66662808088 is a deficient number, since it is larger than the sum of its proper divisors (58329957092).

66662808088 is a wasteful number, since it uses less digits than its factorization.

66662808088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332851017 (or 8332851013 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 58.

The spelling of 66662808088 in words is "sixty-six billion, six hundred sixty-two million, eight hundred eight thousand, eighty-eight".