8180818 has 16 divisors (see below), whose sum is σ = 12560760. Its totient is φ = 3995136.

The previous prime is 8180789. The next prime is 8180857.

8180818 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 8139609 + 41209 = 2853^2 + 203^2 .

8180818 is a strobogrammatic number because it is the same when read upside-down.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19798 + ... + 20206.

Almost surely, 2^8180818 is an apocalyptic number.

8180818 is a deficient number, since it is larger than the sum of its proper divisors (4379942).

8180818 is a wasteful number, since it uses less digits than its factorization.

8180818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621.

The product of its (nonzero) digits is 4096, while the sum is 34.

The square root of 8180818 is about 2860.2129291366. The cubic root of 8180818 is about 201.4956046223.

It can be divided in two parts, 8180 and 818, that added together give a palindrome (8998).

The spelling of 8180818 in words is "eight million, one hundred eighty thousand, eight hundred eighteen".