9172144068 has 24 divisors (see below), whose sum is σ = 21899383968. Its totient is φ = 2986279296.

The previous prime is 9172144061. The next prime is 9172144087. The reversal of 9172144068 is 8604412719.

9172144068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9172144061) 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 7 ways as a sum of consecutive naturals, for example, 8887221 + ... + 8888252.

It is an arithmetic number, because the mean of its divisors is an integer number (912474332).

Almost surely, 2^9172144068 is an apocalyptic number.

It is an amenable number.

9172144068 is an abundant number, since it is smaller than the sum of its proper divisors (12727239900).

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

9172144068 is a wasteful number, since it uses less digits than its factorization.

9172144068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17775523 (or 17775521 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 9172144068 is about 95771.3112993656. The cubic root of 9172144068 is about 2093.2621589817.

The spelling of 9172144068 in words is "nine billion, one hundred seventy-two million, one hundred forty-four thousand, sixty-eight".