5171557161 has 8 divisors (see below), whose sum is σ = 7258325920. Its totient is φ = 3266246592.

The previous prime is 5171557121. The next prime is 5171557187. The reversal of 5171557161 is 1617551715.

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

It is not a de Polignac number, because 5171557161 - 2¹¹ = 5171555113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5171557121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45364480 + ... + 45364593.

It is an arithmetic number, because the mean of its divisors is an integer number (907290740).

Almost surely, 2^5171557161 is an apocalyptic number.

It is an amenable number.

5171557161 is a deficient number, since it is larger than the sum of its proper divisors (2086768759).

5171557161 is a wasteful number, since it uses less digits than its factorization.

5171557161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90729095.

The product of its digits is 36750, while the sum is 39.

The square root of 5171557161 is about 71913.5394831877. The cubic root of 5171557161 is about 1729.3136775517.

The spelling of 5171557161 in words is "five billion, one hundred seventy-one million, five hundred fifty-seven thousand, one hundred sixty-one".