9816894590160 has 640 divisors, whose sum is σ = 38230787358720. Its totient is φ = 2031814084608.

The previous prime is 9816894590143. The next prime is 9816894590171. The reversal of 9816894590160 is 610954986189.

It is a junction number, because it is equal to n+sod(n) for n = 9816894590091 and 9816894590100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1162171057 + ... + 1162179503.

It is an arithmetic number, because the mean of its divisors is an integer number (59735605248).

Almost surely, 2^{9816894590160} 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 9816894590160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19115393679360).

9816894590160 is an abundant number, since it is smaller than the sum of its proper divisors (28413892768560).

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

9816894590160 is a wasteful number, since it uses less digits than its factorization.

9816894590160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10095 (or 10089 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 66.

The spelling of 9816894590160 in words is "nine trillion, eight hundred sixteen billion, eight hundred ninety-four million, five hundred ninety thousand, one hundred sixty".