9658566144 has 160 divisors (see below), whose sum is σ = 29289062880. Its totient is φ = 3140812800.

The previous prime is 9658566097. The next prime is 9658566163. The reversal of 9658566144 is 4416658569.

9658566144 is a `hidden beast` number, since 9 + 65 + 8 + 566 + 14 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 558264 + ... + 575304.

It is an arithmetic number, because the mean of its divisors is an integer number (183056643).

Almost surely, 2^9658566144 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 9658566144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14644531440).

9658566144 is an abundant number, since it is smaller than the sum of its proper divisors (19630496736).

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

9658566144 is a wasteful number, since it uses less digits than its factorization.

9658566144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109 (or 17087 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The square root of 9658566144 is about 98278.0043753433. The cubic root of 9658566144 is about 2129.6303107649.

The spelling of 9658566144 in words is "nine billion, six hundred fifty-eight million, five hundred sixty-six thousand, one hundred forty-four".