18845229166848 has 360 divisors, whose sum is σ = 66435163798080. Its totient is φ = 5198682746880.

The previous prime is 18845229166847. The next prime is 18845229166921. The reversal of 18845229166848 is 84866192254881.

18845229166848 is a `hidden beast` number, since 1 + 8 + 8 + 4 + 522 + 9 + 16 + 6 + 84 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (18845229166847) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1970943 + ... + 6447873.

Almost surely, 2^{18845229166848} is an apocalyptic number.

18845229166848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18845229166848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33217581899040).

18845229166848 is an abundant number, since it is smaller than the sum of its proper divisors (47589934631232).

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

18845229166848 is an equidigital number, since it uses as much as digits as its factorization.

18845229166848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476995 (or 4476972 counting only the distinct ones).

The product of its digits is 424673280, while the sum is 72.

The spelling of 18845229166848 in words is "eighteen trillion, eight hundred forty-five billion, two hundred twenty-nine million, one hundred sixty-six thousand, eight hundred forty-eight".