818800488605 has 32 divisors (see below), whose sum is σ = 1098050204160. Its totient is φ = 581120781120.

The previous prime is 818800488601. The next prime is 818800488629. The reversal of 818800488605 is 506884008818.

It is not a de Polignac number, because 818800488605 - 2² = 818800488601 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (818800488601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644015 + ... + 1432604.

It is an arithmetic number, because the mean of its divisors is an integer number (34314068880).

Almost surely, 2^818800488605 is an apocalyptic number.

It is an amenable number.

818800488605 is a deficient number, since it is larger than the sum of its proper divisors (279249715555).

818800488605 is a wasteful number, since it uses less digits than its factorization.

818800488605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076809.

The product of its (nonzero) digits is 3932160, while the sum is 56.

The spelling of 818800488605 in words is "eight hundred eighteen billion, eight hundred million, four hundred eighty-eight thousand, six hundred five".