18848543794560 has 384 divisors, whose sum is σ = 67878639279360. Its totient is φ = 4813990133760.

The previous prime is 18848543794519. The next prime is 18848543794579. The reversal of 18848543794560 is 6549734584881.

18848543794560 is a `hidden beast` number, since 1 + 8 + 8 + 4 + 8 + 54 + 3 + 7 + 9 + 4 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

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

It is a congruent number.

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, 16776204 + ... + 17864436.

It is an arithmetic number, because the mean of its divisors is an integer number (176767289790).

Almost surely, 2^{18848543794560} is an apocalyptic number.

18848543794560 is a gapful number since it is divisible by the number (10) 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 18848543794560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33939319639680).

18848543794560 is an abundant number, since it is smaller than the sum of its proper divisors (49030095484800).

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

18848543794560 is a wasteful number, since it uses less digits than its factorization.

18848543794560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088386 (or 1088371 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 72.

The spelling of 18848543794560 in words is "eighteen trillion, eight hundred forty-eight billion, five hundred forty-three million, seven hundred ninety-four thousand, five hundred sixty".