5181926172 has 24 divisors (see below), whose sum is σ = 12172314000. Its totient is φ = 1715715456.

The previous prime is 5181926171. The next prime is 5181926207. The reversal of 5181926172 is 2716291815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5181926171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447297 + ... + 1450872.

It is an arithmetic number, because the mean of its divisors is an integer number (507179750).

Almost surely, 2^5181926172 is an apocalyptic number.

It is an amenable number.

5181926172 is an abundant number, since it is smaller than the sum of its proper divisors (6990387828).

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

5181926172 is a wasteful number, since it uses less digits than its factorization.

5181926172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898325 (or 2898323 counting only the distinct ones).

The product of its digits is 60480, while the sum is 42.

The square root of 5181926172 is about 71985.5969760618. The cubic root of 5181926172 is about 1730.4686682831.

The spelling of 5181926172 in words is "five billion, one hundred eighty-one million, nine hundred twenty-six thousand, one hundred seventy-two".