9165873216 has 56 divisors (see below), whose sum is σ = 24261921504. Its totient is φ = 3053962240.

The previous prime is 9165873209. The next prime is 9165873247. The reversal of 9165873216 is 6123785619.

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, 496471 + ... + 514601.

Almost surely, 2^9165873216 is an apocalyptic number.

9165873216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

9165873216 is an abundant number, since it is smaller than the sum of its proper divisors (15096048288).

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

9165873216 is a wasteful number, since it uses less digits than its factorization.

9165873216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20779 (or 20769 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 9165873216 is about 95738.5670249978. The cubic root of 9165873216 is about 2092.7850066494.

The spelling of 9165873216 in words is "nine billion, one hundred sixty-five million, eight hundred seventy-three thousand, two hundred sixteen".