38189543616 has 168 divisors, whose sum is σ = 126864002304. Its totient is φ = 10757537280.

The previous prime is 38189543543. The next prime is 38189543627. The reversal of 38189543616 is 61634598183.

38189543616 is a `hidden beast` number, since 3 + 8 + 1 + 89 + 543 + 6 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 219571 + ... + 352973.

Almost surely, 2^38189543616 is an apocalyptic number.

38189543616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38189543616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63432001152).

38189543616 is an abundant number, since it is smaller than the sum of its proper divisors (88674458688).

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

38189543616 is a wasteful number, since it uses less digits than its factorization.

38189543616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133499 (or 133486 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 38189543616 in words is "thirty-eight billion, one hundred eighty-nine million, five hundred forty-three thousand, six hundred sixteen".