9164551968 has 144 divisors (see below), whose sum is σ = 30618072576. Its totient is φ = 2563499520.

The previous prime is 9164551961. The next prime is 9164551969. The reversal of 9164551968 is 8691554619.

9164551968 is a `hidden beast` number, since 9 + 1 + 64 + 5 + 519 + 68 = 666.

9164551968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (9164551961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70080 + ... + 152447.

It is an arithmetic number, because the mean of its divisors is an integer number (212625504).

Almost surely, 2^9164551968 is an apocalyptic number.

It is an amenable number.

9164551968 is an abundant number, since it is smaller than the sum of its proper divisors (21453520608).

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

9164551968 is a wasteful number, since it uses less digits than its factorization.

9164551968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222567 (or 222556 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 54.

The square root of 9164551968 is about 95731.6664850247. Note that the first 3 decimals coincide. The cubic root of 9164551968 is about 2092.6844444585.

The spelling of 9164551968 in words is "nine billion, one hundred sixty-four million, five hundred fifty-one thousand, nine hundred sixty-eight".