9168161 has 4 divisors (see below), whose sum is σ = 9211824. Its totient is φ = 9124500.

The previous prime is 9168109. The next prime is 9168167. The reversal of 9168161 is 1618619.

9168161 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 9168161 - 2¹⁴ = 9151777 is a prime.

It is a super-2 number, since 2×9168161² = 168110352243842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9168167) 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 3 ways as a sum of consecutive naturals, for example, 21515 + ... + 21936.

It is an arithmetic number, because the mean of its divisors is an integer number (2302956).

Almost surely, 2^9168161 is an apocalyptic number.

It is an amenable number.

9168161 is a deficient number, since it is larger than the sum of its proper divisors (43663).

9168161 is a wasteful number, since it uses less digits than its factorization.

9168161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43662.

The product of its digits is 2592, while the sum is 32.

The square root of 9168161 is about 3027.8971250688. The cubic root of 9168161 is about 209.2959110511.

The spelling of 9168161 in words is "nine million, one hundred sixty-eight thousand, one hundred sixty-one".