38187039616 has 64 divisors (see below), whose sum is σ = 87873640560. Its totient is φ = 16336691200.

The previous prime is 38187039559. The next prime is 38187039619. The reversal of 38187039616 is 61693078183.

38187039616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38187039619) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773755 + ... + 821626.

Almost surely, 2^38187039616 is an apocalyptic number.

It is an amenable number.

38187039616 is an abundant number, since it is smaller than the sum of its proper divisors (49686600944).

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

38187039616 is a wasteful number, since it uses less digits than its factorization.

38187039616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595423 (or 1595411 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 38187039616 in words is "thirty-eight billion, one hundred eighty-seven million, thirty-nine thousand, six hundred sixteen".