9938661132 has 96 divisors (see below), whose sum is σ = 25252218880. Its totient is φ = 3030773760.

The previous prime is 9938661121. The next prime is 9938661149. The reversal of 9938661132 is 2311668399.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4077018 + ... + 4079454.

Almost surely, 2^9938661132 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 9938661132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12626109440).

9938661132 is an abundant number, since it is smaller than the sum of its proper divisors (15313557748).

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

9938661132 is a wasteful number, since it uses less digits than its factorization.

9938661132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3071 (or 3069 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 9938661132 is about 99692.8339049503. The cubic root of 9938661132 is about 2150.0206330812.

The spelling of 9938661132 in words is "nine billion, nine hundred thirty-eight million, six hundred sixty-one thousand, one hundred thirty-two".