8162618 has 16 divisors (see below), whose sum is σ = 13098024. Its totient is φ = 3801600.

The previous prime is 8162617. The next prime is 8162621.

8162618 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8162449 + 169 = 2857^2 + 13^2 .

It is a super-2 number, since 2×8162618² = 133256665227848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8162611) 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 7 ways as a sum of consecutive naturals, for example, 2246 + ... + 4622.

Almost surely, 2^8162618 is an apocalyptic number.

8162618 is a deficient number, since it is larger than the sum of its proper divisors (4935406).

8162618 is a wasteful number, since it uses less digits than its factorization.

8162618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2497.

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

The square root of 8162618 is about 2857.0295763257. The cubic root of 8162618 is about 201.3460701511.

The spelling of 8162618 in words is "eight million, one hundred sixty-two thousand, six hundred eighteen".