9957328566336 has 84 divisors (see below), whose sum is σ = 30043036332400. Its totient is φ = 3144419543808.

The previous prime is 9957328566293. The next prime is 9957328566343. The reversal of 9957328566336 is 6336658237599.

It is a happy number.

9957328566336 is a `hidden beast` number, since 9 + 9 + 5 + 7 + 3 + 28 + 566 + 3 + 36 = 666.

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

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, 454910866 + ... + 454932753.

Almost surely, 2^{9957328566336} is an apocalyptic number.

9957328566336 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9957328566336 is an abundant number, since it is smaller than the sum of its proper divisors (20085707766064).

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

9957328566336 is a wasteful number, since it uses less digits than its factorization.

9957328566336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909843656 (or 909843643 counting only the distinct ones).

The product of its digits is 1322697600, while the sum is 72.

The spelling of 9957328566336 in words is "nine trillion, nine hundred fifty-seven billion, three hundred twenty-eight million, five hundred sixty-six thousand, three hundred thirty-six".