5171171328 has 416 divisors, whose sum is σ = 16984857600. Its totient is φ = 1547403264.

The previous prime is 5171171321. The next prime is 5171171353. The reversal of 5171171328 is 8231711715.

5171171328 is a `hidden beast` number, since 517 + 1 + 1 + 7 + 132 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 5171171292 and 5171171301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5171171321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48328651 + ... + 48328757.

Almost surely, 2^5171171328 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 5171171328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8492428800).

5171171328 is an abundant number, since it is smaller than the sum of its proper divisors (11813686272).

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

5171171328 is a wasteful number, since it uses less digits than its factorization.

5171171328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 154 counting only the distinct ones).

The product of its digits is 11760, while the sum is 36.

The square root of 5171171328 is about 71910.8568159218. The cubic root of 5171171328 is about 1729.2706703325.

The spelling of 5171171328 in words is "five billion, one hundred seventy-one million, one hundred seventy-one thousand, three hundred twenty-eight".