9331612128 has 288 divisors, whose sum is σ = 28390182912. Its totient is φ = 3013977600.

The previous prime is 9331612127. The next prime is 9331612159. The reversal of 9331612128 is 8212161339.

9331612128 is a `hidden beast` number, since 9 + 3 + 31 + 612 + 1 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 9331612092 and 9331612101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9331612123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48856513 + ... + 48856703.

It is an arithmetic number, because the mean of its divisors is an integer number (98577024).

Almost surely, 2^9331612128 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 9331612128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14195091456).

9331612128 is an abundant number, since it is smaller than the sum of its proper divisors (19058570784).

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

9331612128 is a wasteful number, since it uses less digits than its factorization.

9331612128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 360 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 9331612128 is about 96600.2698132878. The cubic root of 9331612128 is about 2105.3237656450.

The spelling of 9331612128 in words is "nine billion, three hundred thirty-one million, six hundred twelve thousand, one hundred twenty-eight".