818626025088 has 192 divisors, whose sum is σ = 2495193896520. Its totient is φ = 256726794240.

The previous prime is 818626025083. The next prime is 818626025167. The reversal of 818626025088 is 880520626818.

It is a happy number.

818626025088 is a `hidden beast` number, since 8 + 1 + 8 + 626 + 0 + 2 + 5 + 0 + 8 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 687692049984 + 130933975104 = 829272^2 + 361848^2 .

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (818626025083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65815606 + ... + 65828042.

Almost surely, 2^818626025088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818626025088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247596948260).

818626025088 is an abundant number, since it is smaller than the sum of its proper divisors (1676567871432).

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

818626025088 is a wasteful number, since it uses less digits than its factorization.

818626025088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15835 (or 15820 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 818626025088 in words is "eight hundred eighteen billion, six hundred twenty-six million, twenty-five thousand, eighty-eight".