9893057664 has 192 divisors, whose sum is σ = 30663036000. Its totient is φ = 2817884160.

The previous prime is 9893057641. The next prime is 9893057677. The reversal of 9893057664 is 4667503989.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8447799 + ... + 8448969.

Almost surely, 2^9893057664 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 9893057664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15331518000).

9893057664 is an abundant number, since it is smaller than the sum of its proper divisors (20769978336).

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

9893057664 is a wasteful number, since it uses less digits than its factorization.

9893057664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 9893057664 is about 99463.8510414713. The cubic root of 9893057664 is about 2146.7271396533.

The spelling of 9893057664 in words is "nine billion, eight hundred ninety-three million, fifty-seven thousand, six hundred sixty-four".