9963329991552 has 96 divisors (see below), whose sum is σ = 32766308480880. Its totient is φ = 2846665709568.

The previous prime is 9963329991533. The next prime is 9963329991577. The reversal of 9963329991552 is 2551999233699.

9963329991552 is a `hidden beast` number, since 9 + 9 + 63 + 3 + 2 + 9 + 9 + 9 + 1 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617757933 + ... + 617774060.

Almost surely, 2^{9963329991552} is an apocalyptic number.

It is an amenable number.

9963329991552 is an abundant number, since it is smaller than the sum of its proper divisors (22802978489328).

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

9963329991552 is a wasteful number, since it uses less digits than its factorization.

9963329991552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1235532020 (or 1235532005 counting only the distinct ones).

The product of its digits is 318864600, while the sum is 72.

The spelling of 9963329991552 in words is "nine trillion, nine hundred sixty-three billion, three hundred twenty-nine million, nine hundred ninety-one thousand, five hundred fifty-two".