5123559168 has 324 divisors, whose sum is σ = 18511490088. Its totient is φ = 1350881280.

The previous prime is 5123559163. The next prime is 5123559169. The reversal of 5123559168 is 8619553215.

5123559168 is a `hidden beast` number, since 51 + 2 + 3 + 5 + 591 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123559163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1465903 + ... + 1469393.

Almost surely, 2^5123559168 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 5123559168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9255745044).

5123559168 is an abundant number, since it is smaller than the sum of its proper divisors (13387930920).

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

5123559168 is a wasteful number, since it uses less digits than its factorization.

5123559168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540 (or 3516 counting only the distinct ones).

The product of its digits is 324000, while the sum is 45.

The square root of 5123559168 is about 71579.0414017958. The cubic root of 5123559168 is about 1723.9470342594.

The spelling of 5123559168 in words is "five billion, one hundred twenty-three million, five hundred fifty-nine thousand, one hundred sixty-eight".