66269668632 has 16 divisors (see below), whose sum is σ = 165674171640. Its totient is φ = 22089889536.

The previous prime is 66269668627. The next prime is 66269668667. The reversal of 66269668632 is 23686696266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1380618073 + ... + 1380618120.

Almost surely, 2^66269668632 is an apocalyptic number.

It is an amenable number.

66269668632 is an abundant number, since it is smaller than the sum of its proper divisors (99404503008).

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

66269668632 is a wasteful number, since it uses less digits than its factorization.

66269668632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2761236202 (or 2761236198 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 60.

The spelling of 66269668632 in words is "sixty-six billion, two hundred sixty-nine million, six hundred sixty-eight thousand, six hundred thirty-two".