5171657165 has 8 divisors (see below), whose sum is σ = 6307726488. Its totient is φ = 4069500480.

The previous prime is 5171657131. The next prime is 5171657189. The reversal of 5171657165 is 5617561715.

It can be written as a sum of positive squares in 4 ways, for example, as 575088361 + 4596568804 = 23981^2 + 67798^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5171657165 - 2⁸ = 5171656909 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8477822 + ... + 8478431.

It is an arithmetic number, because the mean of its divisors is an integer number (788465811).

Almost surely, 2^5171657165 is an apocalyptic number.

It is an amenable number.

5171657165 is a deficient number, since it is larger than the sum of its proper divisors (1136069323).

5171657165 is a wasteful number, since it uses less digits than its factorization.

5171657165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16956319.

The product of its digits is 220500, while the sum is 44.

The square root of 5171657165 is about 71914.2347870017. The cubic root of 5171657165 is about 1729.3248242376.

The spelling of 5171657165 in words is "five billion, one hundred seventy-one million, six hundred fifty-seven thousand, one hundred sixty-five".