8161185 has 16 divisors (see below), whose sum is σ = 13362624. Its totient is φ = 4251072.

The previous prime is 8161183. The next prime is 8161187. The reversal of 8161185 is 5811618.

It is a happy number.

8161185 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8161183) and next prime (8161187).

It is not a de Polignac number, because 8161185 - 2¹ = 8161183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8161183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5682 + ... + 6971.

It is an arithmetic number, because the mean of its divisors is an integer number (835164).

Almost surely, 2^8161185 is an apocalyptic number.

It is an amenable number.

8161185 is a deficient number, since it is larger than the sum of its proper divisors (5201439).

8161185 is a wasteful number, since it uses less digits than its factorization.

8161185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12704.

The product of its digits is 1920, while the sum is 30.

The square root of 8161185 is about 2856.7787803748. The cubic root of 8161185 is about 201.3342869298.

The spelling of 8161185 in words is "eight million, one hundred sixty-one thousand, one hundred eighty-five".