38666330128 has 20 divisors (see below), whose sum is σ = 74951236048. Its totient is φ = 19324075680.

The previous prime is 38666330123. The next prime is 38666330149. The reversal of 38666330128 is 82103366683.

It is not an unprimeable number, because it can be changed into a prime (38666330123) 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, 532926 + ... + 601117.

Almost surely, 2^38666330128 is an apocalyptic number.

It is an amenable number.

38666330128 is a deficient number, since it is larger than the sum of its proper divisors (36284905920).

38666330128 is a wasteful number, since it uses less digits than its factorization.

38666330128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136182 (or 1136176 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 38666330128 in words is "thirty-eight billion, six hundred sixty-six million, three hundred thirty thousand, one hundred twenty-eight".