38107928664 has 192 divisors, whose sum is σ = 118984320000. Its totient is φ = 10919805696.

The previous prime is 38107928653. The next prime is 38107928669. The reversal of 38107928664 is 46682970183.

38107928664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 38107928664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38107928669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1031097 + ... + 1067415.

It is an arithmetic number, because the mean of its divisors is an integer number (619710000).

Almost surely, 2^38107928664 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 38107928664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59492160000).

38107928664 is an abundant number, since it is smaller than the sum of its proper divisors (80876391336).

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

38107928664 is a wasteful number, since it uses less digits than its factorization.

38107928664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36422 (or 36415 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 38107928664 in words is "thirty-eight billion, one hundred seven million, nine hundred twenty-eight thousand, six hundred sixty-four".