818606818 has 8 divisors (see below), whose sum is σ = 1240068060. Its totient is φ = 405250800.

The previous prime is 818606807. The next prime is 818606843.

818606818 is nontrivially palindromic in base 10.

818606818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 738915489 + 79691329 = 27183^2 + 8927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026053 + ... + 2026456.

Almost surely, 2^818606818 is an apocalyptic number.

818606818 is a deficient number, since it is larger than the sum of its proper divisors (421461242).

818606818 is a wasteful number, since it uses less digits than its factorization.

818606818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4052612.

The product of its (nonzero) digits is 147456, while the sum is 46.

The square root of 818606818 is about 28611.3057723691. The cubic root of 818606818 is about 935.4597786367.

The spelling of 818606818 in words is "eight hundred eighteen million, six hundred six thousand, eight hundred eighteen".