9812835444660 has 120 divisors (see below), whose sum is σ = 28391963218080. Its totient is φ = 2532330331200.

The previous prime is 9812835444649. The next prime is 9812835444683. The reversal of 9812835444660 is 664445382189.

It is a happy number.

9812835444660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 9812835444594 and 9812835444603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55322715 + ... + 55499805.

It is an arithmetic number, because the mean of its divisors is an integer number (236599693484).

Almost surely, 2^{9812835444660} 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 9812835444660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14195981609040).

9812835444660 is an abundant number, since it is smaller than the sum of its proper divisors (18579127773420).

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

9812835444660 is an equidigital number, since it uses as much as digits as its factorization.

9812835444660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177227 (or 177132 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 9812835444660 in words is "nine trillion, eight hundred twelve billion, eight hundred thirty-five million, four hundred forty-four thousand, six hundred sixty".