18448017168 has 320 divisors, whose sum is σ = 59853946880. Its totient is φ = 4782551040.

The previous prime is 18448017151. The next prime is 18448017193. The reversal of 18448017168 is 86171084481.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190185696 + ... + 190185792.

It is an arithmetic number, because the mean of its divisors is an integer number (187043584).

Almost surely, 2^18448017168 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 18448017168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29926973440).

18448017168 is an abundant number, since it is smaller than the sum of its proper divisors (41405929712).

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

18448017168 is an equidigital number, since it uses as much as digits as its factorization.

18448017168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The spelling of 18448017168 in words is "eighteen billion, four hundred forty-eight million, seventeen thousand, one hundred sixty-eight".