818664080234 has 64 divisors (see below), whose sum is σ = 1745765021952. Its totient is φ = 277105536000.

The previous prime is 818664080233. The next prime is 818664080257. The reversal of 818664080234 is 432080466818.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (818664080233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11993117 + ... + 12061184.

It is an arithmetic number, because the mean of its divisors is an integer number (27277578468).

Almost surely, 2^818664080234 is an apocalyptic number.

818664080234 is an abundant number, since it is smaller than the sum of its proper divisors (927100941718).

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

818664080234 is a wasteful number, since it uses less digits than its factorization.

818664080234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24054351.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 818664080234 in words is "eight hundred eighteen billion, six hundred sixty-four million, eighty thousand, two hundred thirty-four".