818318486 has 16 divisors (see below), whose sum is σ = 1301952960. Its totient is φ = 384663240.

The previous prime is 818318471. The next prime is 818318489. The reversal of 818318486 is 684813818.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 818318486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818318489) 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, 77216 + ... + 87171.

It is an arithmetic number, because the mean of its divisors is an integer number (81372060).

Almost surely, 2^818318486 is an apocalyptic number.

818318486 is a deficient number, since it is larger than the sum of its proper divisors (483634474).

818318486 is a wasteful number, since it uses less digits than its factorization.

818318486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164539.

The product of its digits is 294912, while the sum is 47.

The square root of 818318486 is about 28606.2665512296. The cubic root of 818318486 is about 935.3499356462.

The spelling of 818318486 in words is "eight hundred eighteen million, three hundred eighteen thousand, four hundred eighty-six".