38866966156 has 12 divisors (see below), whose sum is σ = 68213208168. Its totient is φ = 19377478112.

The previous prime is 38866966121. The next prime is 38866966157. The reversal of 38866966156 is 65166966883.

It is not an unprimeable number, because it can be changed into a prime (38866966157) 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, 13999681 + ... + 14002456.

It is an arithmetic number, because the mean of its divisors is an integer number (5684434014).

Almost surely, 2^38866966156 is an apocalyptic number.

It is an amenable number.

38866966156 is a deficient number, since it is larger than the sum of its proper divisors (29346242012).

38866966156 is a wasteful number, since it uses less digits than its factorization.

38866966156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28002488 (or 28002486 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 64.

The spelling of 38866966156 in words is "thirty-eight billion, eight hundred sixty-six million, nine hundred sixty-six thousand, one hundred fifty-six".