9545166680 has 96 divisors (see below), whose sum is σ = 25142950800. Its totient is φ = 3251678976.

The previous prime is 9545166619. The next prime is 9545166689. The reversal of 9545166680 is 866615459.

It is a happy number.

It is a super-2 number, since 2×9545166680² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9545166689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292211 + ... + 323229.

Almost surely, 2^9545166680 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 9545166680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12571475400).

9545166680 is an abundant number, since it is smaller than the sum of its proper divisors (15597784120).

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

9545166680 is a wasteful number, since it uses less digits than its factorization.

9545166680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31201 (or 31190 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 9545166680 is about 97699.3688823014. The cubic root of 9545166680 is about 2121.2629445237.

The spelling of 9545166680 in words is "nine billion, five hundred forty-five million, one hundred sixty-six thousand, six hundred eighty".