9933924816 has 60 divisors (see below), whose sum is σ = 28071148768. Its totient is φ = 3279154752.

The previous prime is 9933924787. The next prime is 9933924817. The reversal of 9933924816 is 6184293399.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9933924817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 320050 + ... + 349713.

Almost surely, 2^9933924816 is an apocalyptic number.

It is an amenable number.

9933924816 is an abundant number, since it is smaller than the sum of its proper divisors (18137223952).

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

9933924816 is a wasteful number, since it uses less digits than its factorization.

9933924816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669880 (or 669871 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 9933924816 is about 99669.0765282793. The cubic root of 9933924816 is about 2149.6790446442.

The spelling of 9933924816 in words is "nine billion, nine hundred thirty-three million, nine hundred twenty-four thousand, eight hundred sixteen".