66383353732 has 12 divisors (see below), whose sum is σ = 118872517456. Its totient is φ = 32419777320.

The previous prime is 66383353721. The next prime is 66383353739. The reversal of 66383353732 is 23735338366.

66383353732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66383353739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192974694 + ... + 192975037.

Almost surely, 2^66383353732 is an apocalyptic number.

It is an amenable number.

66383353732 is a deficient number, since it is larger than the sum of its proper divisors (52489163724).

66383353732 is a wasteful number, since it uses less digits than its factorization.

66383353732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385949778 (or 385949776 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 49.

The spelling of 66383353732 in words is "sixty-six billion, three hundred eighty-three million, three hundred fifty-three thousand, seven hundred thirty-two".