18796491168 has 192 divisors, whose sum is σ = 62020546560. Its totient is φ = 4851735552.

The previous prime is 18796491163. The next prime is 18796491179. The reversal of 18796491168 is 86119469781.

It is not an unprimeable number, because it can be changed into a prime (18796491163) 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, 387703 + ... + 433481.

It is an arithmetic number, because the mean of its divisors is an integer number (323023680).

Almost surely, 2^18796491168 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 18796491168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31010273280).

18796491168 is an abundant number, since it is smaller than the sum of its proper divisors (43224055392).

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

18796491168 is a wasteful number, since it uses less digits than its factorization.

18796491168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45859 (or 45851 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 60.

The spelling of 18796491168 in words is "eighteen billion, seven hundred ninety-six million, four hundred ninety-one thousand, one hundred sixty-eight".