9955669943952 has 120 divisors (see below), whose sum is σ = 28126076842656. Its totient is φ = 3287117134848.

The previous prime is 9955669943783. The next prime is 9955669943959. The reversal of 9955669943952 is 2593499665599.

9955669943952 is a `hidden beast` number, since 9 + 9 + 5 + 566 + 9 + 9 + 43 + 9 + 5 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (9955669943959) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132887368 + ... + 132962264.

Almost surely, 2^{9955669943952} 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 9955669943952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14063038421328).

9955669943952 is an abundant number, since it is smaller than the sum of its proper divisors (18170406898704).

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

9955669943952 is a wasteful number, since it uses less digits than its factorization.

9955669943952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83645 (or 83636 counting only the distinct ones).

The product of its digits is 6377292000, while the sum is 81.

The spelling of 9955669943952 in words is "nine trillion, nine hundred fifty-five billion, six hundred sixty-nine million, nine hundred forty-three thousand, nine hundred fifty-two".