9993986160 has 160 divisors (see below), whose sum is σ = 32174065728. Its totient is φ = 2564259840.

The previous prime is 9993986153. The next prime is 9993986173. The reversal of 9993986160 is 616893999.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 9993986094 and 9993986103.

It is a congruent number.

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, 711364 + ... + 725276.

Almost surely, 2^9993986160 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 9993986160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087032864).

9993986160 is an abundant number, since it is smaller than the sum of its proper divisors (22180079568).

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

9993986160 is a wasteful number, since it uses less digits than its factorization.

9993986160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14043 (or 14037 counting only the distinct ones).

The product of its (nonzero) digits is 5668704, while the sum is 60.

The square root of 9993986160 is about 99969.9262778562. The cubic root of 9993986160 is about 2154.0027225770.

The spelling of 9993986160 in words is "nine billion, nine hundred ninety-three million, nine hundred eighty-six thousand, one hundred sixty".