538239106368 has 168 divisors, whose sum is σ = 1638233992512. Its totient is φ = 168371638272.

The previous prime is 538239106357. The next prime is 538239106369. The reversal of 538239106368 is 863601932835.

It is a happy number.

538239106368 is a `hidden beast` number, since 5 + 38 + 239 + 10 + 6 + 368 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538239106369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3318621 + ... + 3477027.

Almost surely, 2^538239106368 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 538239106368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819116996256).

538239106368 is an abundant number, since it is smaller than the sum of its proper divisors (1099994886144).

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

538239106368 is a wasteful number, since it uses less digits than its factorization.

538239106368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158789 (or 158776 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 538239106368 in words is "five hundred thirty-eight billion, two hundred thirty-nine million, one hundred six thousand, three hundred sixty-eight".