9561165480 has 96 divisors (see below), whose sum is σ = 32224701600. Its totient is φ = 2549641536.

The previous prime is 9561165413. The next prime is 9561165487. The reversal of 9561165480 is 845611659.

9561165480 is a `hidden beast` number, since 9 + 5 + 6 + 1 + 165 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (9561165487) 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, 482110 + ... + 501549.

It is an arithmetic number, because the mean of its divisors is an integer number (335673975).

Almost surely, 2^9561165480 is an apocalyptic number.

9561165480 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9561165480 is an abundant number, since it is smaller than the sum of its proper divisors (22663536120).

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

9561165480 is a wasteful number, since it uses less digits than its factorization.

9561165480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983685 (or 983669 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 9561165480 is about 97781.2123058412. The cubic root of 9561165480 is about 2122.4474434164.

The spelling of 9561165480 in words is "nine billion, five hundred sixty-one million, one hundred sixty-five thousand, four hundred eighty".