66450630264 has 32 divisors (see below), whose sum is σ = 166424861520. Its totient is φ = 22110438656.

The previous prime is 66450630203. The next prime is 66450630313. The reversal of 66450630264 is 46203605466.

66450630264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2472069 + ... + 2498804.

Almost surely, 2^66450630264 is an apocalyptic number.

It is an amenable number.

66450630264 is an abundant number, since it is smaller than the sum of its proper divisors (99974231256).

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

66450630264 is a wasteful number, since it uses less digits than its factorization.

66450630264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4971439 (or 4971435 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 66450630264 in words is "sixty-six billion, four hundred fifty million, six hundred thirty thousand, two hundred sixty-four".