5188751568 has 640 divisors, whose sum is σ = 20398694400. Its totient is φ = 1226534400.

The previous prime is 5188751537. The next prime is 5188751627. The reversal of 5188751568 is 8651578815.

5188751568 is a `hidden beast` number, since 5 + 1 + 8 + 8 + 75 + 1 + 568 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 73080973 + ... + 73081043.

It is an arithmetic number, because the mean of its divisors is an integer number (31872960).

Almost surely, 2^5188751568 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 5188751568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10199347200).

5188751568 is an abundant number, since it is smaller than the sum of its proper divisors (15209942832).

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

5188751568 is a wasteful number, since it uses less digits than its factorization.

5188751568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 107 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 54.

The square root of 5188751568 is about 72032.9894423382. The cubic root of 5188751568 is about 1731.2280996626.

The spelling of 5188751568 in words is "five billion, one hundred eighty-eight million, seven hundred fifty-one thousand, five hundred sixty-eight".