5168525638 has 32 divisors (see below), whose sum is σ = 8390174400. Its totient is φ = 2380578816.

The previous prime is 5168525617. The next prime is 5168525639. The reversal of 5168525638 is 8365258615.

It is a junction number, because it is equal to n+sod(n) for n = 5168525591 and 5168525600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5168525639) 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 15 ways as a sum of consecutive naturals, for example, 540870 + ... + 550342.

It is an arithmetic number, because the mean of its divisors is an integer number (262192950).

Almost surely, 2^5168525638 is an apocalyptic number.

5168525638 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5168525638 is a deficient number, since it is larger than the sum of its proper divisors (3221648762).

5168525638 is a wasteful number, since it uses less digits than its factorization.

5168525638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

The product of its digits is 1728000, while the sum is 49.

The square root of 5168525638 is about 71892.4588395751. The cubic root of 5168525638 is about 1728.9757084953.

The spelling of 5168525638 in words is "five billion, one hundred sixty-eight million, five hundred twenty-five thousand, six hundred thirty-eight".