5181031768 has 16 divisors (see below), whose sum is σ = 10597565160. Its totient is φ = 2355014400.

The previous prime is 5181031763. The next prime is 5181031813. The reversal of 5181031768 is 8671301815.

It is a self number, because there is not a number n which added to its sum of digits gives 5181031768.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181031763) 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 3 ways as a sum of consecutive naturals, for example, 29437593 + ... + 29437768.

Almost surely, 2^5181031768 is an apocalyptic number.

It is an amenable number.

5181031768 is an abundant number, since it is smaller than the sum of its proper divisors (5416533392).

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

5181031768 is a wasteful number, since it uses less digits than its factorization.

5181031768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58875378 (or 58875374 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 40.

The square root of 5181031768 is about 71979.3843263472. The cubic root of 5181031768 is about 1730.3691025295.

The spelling of 5181031768 in words is "five billion, one hundred eighty-one million, thirty-one thousand, seven hundred sixty-eight".