9335549664 has 144 divisors (see below), whose sum is σ = 30449607552. Its totient is φ = 2657712384.

The previous prime is 9335549651. The next prime is 9335549681. The reversal of 9335549664 is 4669455339.

9335549664 is a `hidden beast` number, since 9 + 3 + 35 + 549 + 6 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 9335549664.

It is a congruent number.

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, 562347 + ... + 578709.

It is an arithmetic number, because the mean of its divisors is an integer number (211455608).

Almost surely, 2^9335549664 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 9335549664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15224803776).

9335549664 is an abundant number, since it is smaller than the sum of its proper divisors (21114057888).

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

9335549664 is a wasteful number, since it uses less digits than its factorization.

9335549664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669 (or 16658 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 54.

The square root of 9335549664 is about 96620.6482280056. The cubic root of 9335549664 is about 2105.6198424751.

The spelling of 9335549664 in words is "nine billion, three hundred thirty-five million, five hundred forty-nine thousand, six hundred sixty-four".