8682161 has 4 divisors (see below), whose sum is σ = 8916852. Its totient is φ = 8447472.

The previous prime is 8682143. The next prime is 8682181. The reversal of 8682161 is 1612868.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 5640625 = 1744^2 + 2375^2 .

It is a cyclic number.

It is not a de Polignac number, because 8682161 - 2⁶ = 8682097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8682181) 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, 117290 + ... + 117363.

It is an arithmetic number, because the mean of its divisors is an integer number (2229213).

Almost surely, 2^8682161 is an apocalyptic number.

It is an amenable number.

8682161 is a deficient number, since it is larger than the sum of its proper divisors (234691).

8682161 is a wasteful number, since it uses less digits than its factorization.

8682161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234690.

The product of its digits is 4608, while the sum is 32.

The square root of 8682161 is about 2946.5506953046. The cubic root of 8682161 is about 205.5303420526.

The spelling of 8682161 in words is "eight million, six hundred eighty-two thousand, one hundred sixty-one".