9171161 has 4 divisors (see below), whose sum is σ = 9308112. Its totient is φ = 9034212.

The previous prime is 9171131. The next prime is 9171229. The reversal of 9171161 is 1611719.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9171161 - 2¹⁴ = 9154777 is a prime.

It is a super-2 number, since 2×9171161² = 168220388175842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9171161.

It is not an unprimeable number, because it can be changed into a prime (9171131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68375 + ... + 68508.

It is an arithmetic number, because the mean of its divisors is an integer number (2327028).

Almost surely, 2^9171161 is an apocalyptic number.

It is an amenable number.

9171161 is a deficient number, since it is larger than the sum of its proper divisors (136951).

9171161 is a wasteful number, since it uses less digits than its factorization.

9171161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136950.

The product of its digits is 378, while the sum is 26.

The square root of 9171161 is about 3028.3924778668. The cubic root of 9171161 is about 209.3187371213.

The spelling of 9171161 in words is "nine million, one hundred seventy-one thousand, one hundred sixty-one".