818445068 has 24 divisors (see below), whose sum is σ = 1655287200. Its totient is φ = 346819968.

The previous prime is 818445049. The next prime is 818445071. The reversal of 818445068 is 860544818.

It is an unprimeable number.

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, 161723 + ... + 166706.

It is an arithmetic number, because the mean of its divisors is an integer number (68970300).

Almost surely, 2^818445068 is an apocalyptic number.

It is an amenable number.

818445068 is an abundant number, since it is smaller than the sum of its proper divisors (836842132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

818445068 is a wasteful number, since it uses less digits than its factorization.

818445068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328529 (or 328527 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 818445068 is about 28608.4789529258. The cubic root of 818445068 is about 935.3981615156.

The spelling of 818445068 in words is "eight hundred eighteen million, four hundred forty-five thousand, sixty-eight".