9845806844160 has 1728 divisors, whose sum is σ = 42530080320000. Its totient is φ = 2051426746368.

The previous prime is 9845806844149. The next prime is 9845806844191. The reversal of 9845806844160 is 614486085489.

9845806844160 is a `hidden beast` number, since 9 + 8 + 4 + 580 + 6 + 8 + 4 + 41 + 6 + 0 = 666.

It is a super-2 number, since 2×9845806844160² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 19731075591 + ... + 19731076089.

It is an arithmetic number, because the mean of its divisors is an integer number (24612315000).

Almost surely, 2^{9845806844160} is an apocalyptic number.

9845806844160 is a gapful number since it is divisible by the number (90) 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 9845806844160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21265040160000).

9845806844160 is an abundant number, since it is smaller than the sum of its proper divisors (32684273475840).

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

9845806844160 is a wasteful number, since it uses less digits than its factorization.

9845806844160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976 (or 959 counting only the distinct ones).

The product of its (nonzero) digits is 53084160, while the sum is 63.

The spelling of 9845806844160 in words is "nine trillion, eight hundred forty-five billion, eight hundred six million, eight hundred forty-four thousand, one hundred sixty".