5168321380 has 24 divisors (see below), whose sum is σ = 11031403320. Its totient is φ = 2033437440.

The previous prime is 5168321363. The next prime is 5168321407. The reversal of 5168321380 is 831238615.

It can be written as a sum of positive squares in 4 ways, for example, as 488940544 + 4679380836 = 22112^2 + 68406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2116945 + ... + 2119384.

It is an arithmetic number, because the mean of its divisors is an integer number (459641805).

Almost surely, 2^5168321380 is an apocalyptic number.

It is an amenable number.

5168321380 is an abundant number, since it is smaller than the sum of its proper divisors (5863081940).

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

5168321380 is a wasteful number, since it uses less digits than its factorization.

5168321380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236399 (or 4236397 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 5168321380 is about 71891.0382453891. The cubic root of 5168321380 is about 1728.9529320597.

Adding to 5168321380 its reverse (831238615), we get a palindrome (5999559995).

The spelling of 5168321380 in words is "five billion, one hundred sixty-eight million, three hundred twenty-one thousand, three hundred eighty".