9121071960 has 1152 divisors, whose sum is σ = 42057792000. Its totient is φ = 1719843840.

The previous prime is 9121071913. The next prime is 9121071989. The reversal of 9121071960 is 691701219.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 154594411 + ... + 154594469.

It is an arithmetic number, because the mean of its divisors is an integer number (36508500).

Almost surely, 2^9121071960 is an apocalyptic number.

9121071960 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9121071960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21028896000).

9121071960 is an abundant number, since it is smaller than the sum of its proper divisors (32936720040).

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

9121071960 is a wasteful number, since it uses less digits than its factorization.

9121071960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 36.

The square root of 9121071960 is about 95504.3033585398. The cubic root of 9121071960 is about 2089.3697083692.

The spelling of 9121071960 in words is "nine billion, one hundred twenty-one million, seventy-one thousand, nine hundred sixty".