18826023408066 has 96 divisors (see below), whose sum is σ = 47733379719168. Its totient is φ = 5250200185440.

The previous prime is 18826023408029. The next prime is 18826023408191. The reversal of 18826023408066 is 66080432062881.

18826023408066 is a `hidden beast` number, since 18 + 8 + 260 + 234 + 0 + 80 + 66 = 666.

It is a super-2 number, since 2×18826023408066² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6788805 + ... + 9150951.

It is an arithmetic number, because the mean of its divisors is an integer number (497222705408).

Almost surely, 2^{18826023408066} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18826023408066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23866689859584).

18826023408066 is an abundant number, since it is smaller than the sum of its proper divisors (28907356311102).

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

18826023408066 is a wasteful number, since it uses less digits than its factorization.

18826023408066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363676 (or 2363673 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The spelling of 18826023408066 in words is "eighteen trillion, eight hundred twenty-six billion, twenty-three million, four hundred eight thousand, sixty-six".