9567215616 has 224 divisors, whose sum is σ = 30700431360. Its totient is φ = 2588737536.

The previous prime is 9567215611. The next prime is 9567215617. The reversal of 9567215616 is 6165127659.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×9567215616² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (9567215611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3267145 + ... + 3270071.

Almost surely, 2^9567215616 is an apocalyptic number.

9567215616 is a gapful number since it is divisible by the number (96) 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 9567215616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15350215680).

9567215616 is an abundant number, since it is smaller than the sum of its proper divisors (21133215744).

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

9567215616 is a wasteful number, since it uses less digits than its factorization.

9567215616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2982 (or 2958 counting only the distinct ones).

The product of its digits is 680400, while the sum is 48.

The square root of 9567215616 is about 97812.1445220378. The cubic root of 9567215616 is about 2122.8950313917.

The spelling of 9567215616 in words is "nine billion, five hundred sixty-seven million, two hundred fifteen thousand, six hundred sixteen".