9558351660 has 384 divisors, whose sum is σ = 35054208000. Its totient is φ = 1906606080.

The previous prime is 9558351659. The next prime is 9558351667. The reversal of 9558351660 is 661538559.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9558351667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2769616 + ... + 2773064.

It is an arithmetic number, because the mean of its divisors is an integer number (91287000).

Almost surely, 2^9558351660 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 9558351660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17527104000).

9558351660 is an abundant number, since it is smaller than the sum of its proper divisors (25495856340).

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

9558351660 is a wasteful number, since it uses less digits than its factorization.

9558351660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521 (or 3519 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 9558351660 is about 97766.8229002048. The cubic root of 9558351660 is about 2122.2392131876.

The spelling of 9558351660 in words is "nine billion, five hundred fifty-eight million, three hundred fifty-one thousand, six hundred sixty".