9375216128 has 40 divisors (see below), whose sum is σ = 19189045260. Its totient is φ = 4573265920.

The previous prime is 9375216127. The next prime is 9375216143. The reversal of 9375216128 is 8216125739.

It can be written as a sum of positive squares in 2 ways, for example, as 6315798784 + 3059417344 = 79472^2 + 55312^2 .

It is a super-2 number, since 2×9375216128² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9375216127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202313 + ... + 244296.

Almost surely, 2^9375216128 is an apocalyptic number.

It is an amenable number.

9375216128 is an abundant number, since it is smaller than the sum of its proper divisors (9813829132).

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

9375216128 is an equidigital number, since it uses as much as digits as its factorization.

9375216128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446668 (or 446652 counting only the distinct ones).

The product of its digits is 181440, while the sum is 44.

The square root of 9375216128 is about 96825.6997289459. The cubic root of 9375216128 is about 2108.5978666334.

The spelling of 9375216128 in words is "nine billion, three hundred seventy-five million, two hundred sixteen thousand, one hundred twenty-eight".