9168922644 has 96 divisors (see below), whose sum is σ = 25781683200. Its totient is φ = 2477537280.

The previous prime is 9168922643. The next prime is 9168922661. The reversal of 9168922644 is 4462298619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9168922643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983284 + ... + 992564.

It is an arithmetic number, because the mean of its divisors is an integer number (268559200).

Almost surely, 2^9168922644 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 9168922644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12890841600).

9168922644 is an abundant number, since it is smaller than the sum of its proper divisors (16612760556).

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

9168922644 is a wasteful number, since it uses less digits than its factorization.

9168922644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9931 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 9168922644 is about 95754.4915082316. The cubic root of 9168922644 is about 2093.0170663579.

The spelling of 9168922644 in words is "nine billion, one hundred sixty-eight million, nine hundred twenty-two thousand, six hundred forty-four".