38668183736 has 64 divisors (see below), whose sum is σ = 89492014080. Its totient is φ = 15253119360.

The previous prime is 38668183733. The next prime is 38668183747. The reversal of 38668183736 is 63738186683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38668183733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176081 + ... + 329151.

It is an arithmetic number, because the mean of its divisors is an integer number (1398312720).

Almost surely, 2^38668183736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38668183736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44746007040).

38668183736 is an abundant number, since it is smaller than the sum of its proper divisors (50823830344).

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

38668183736 is a wasteful number, since it uses less digits than its factorization.

38668183736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153444 (or 153440 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The spelling of 38668183736 in words is "thirty-eight billion, six hundred sixty-eight million, one hundred eighty-three thousand, seven hundred thirty-six".