9815648160 has 48 divisors (see below), whose sum is σ = 30919293216. Its totient is φ = 2617506048.

The previous prime is 9815648149. The next prime is 9815648201. The reversal of 9815648160 is 618465189.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×9815648160² (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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10224154 + ... + 10225113.

It is an arithmetic number, because the mean of its divisors is an integer number (644151942).

Almost surely, 2^9815648160 is an apocalyptic number.

It is an amenable number.

9815648160 is an abundant number, since it is smaller than the sum of its proper divisors (21103645056).

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

9815648160 is a wasteful number, since it uses less digits than its factorization.

9815648160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20449285 (or 20449277 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 9815648160 is about 99073.9529846266. The cubic root of 9815648160 is about 2141.1133578339.

The spelling of 9815648160 in words is "nine billion, eight hundred fifteen million, six hundred forty-eight thousand, one hundred sixty".