9655853824672 has 72 divisors (see below), whose sum is σ = 20900162269728. Its totient is φ = 4387992174720.

The previous prime is 9655853824657. The next prime is 9655853824679. The reversal of 9655853824672 is 2764283585569.

It is a super-3 number, since 3×9655853824672³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (9655853824679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16292653 + ... + 16874899.

It is an arithmetic number, because the mean of its divisors is an integer number (290280031524).

Almost surely, 2^{9655853824672} 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 9655853824672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10450081134864).

9655853824672 is an abundant number, since it is smaller than the sum of its proper divisors (11244308445056).

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

9655853824672 is a wasteful number, since it uses less digits than its factorization.

9655853824672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586562 (or 586543 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 70.

The spelling of 9655853824672 in words is "nine trillion, six hundred fifty-five billion, eight hundred fifty-three million, eight hundred twenty-four thousand, six hundred seventy-two".