9990543610600 has 192 divisors, whose sum is σ = 26806099478400. Its totient is φ = 3391845166080.

The previous prime is 9990543610561. The next prime is 9990543610627. The reversal of 9990543610600 is 60163450999.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 262910802 + ... + 262948798.

It is an arithmetic number, because the mean of its divisors is an integer number (139615101450).

Almost surely, 2^{9990543610600} 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 9990543610600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13403049739200).

9990543610600 is an abundant number, since it is smaller than the sum of its proper divisors (16815555867800).

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

9990543610600 is a wasteful number, since it uses less digits than its factorization.

9990543610600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39852 (or 39843 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 9990543610600 in words is "nine trillion, nine hundred ninety billion, five hundred forty-three million, six hundred ten thousand, six hundred".