9966375852 has 24 divisors (see below), whose sum is σ = 23257253376. Its totient is φ = 3321785808.

The previous prime is 9966375791. The next prime is 9966375863. The reversal of 9966375852 is 2585736699.

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, 98653 + ... + 172235.

It is an arithmetic number, because the mean of its divisors is an integer number (969052224).

Almost surely, 2^9966375852 is an apocalyptic number.

It is an amenable number.

9966375852 is an abundant number, since it is smaller than the sum of its proper divisors (13290877524).

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

9966375852 is a wasteful number, since it uses less digits than its factorization.

9966375852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84877 (or 84875 counting only the distinct ones).

The product of its digits is 24494400, while the sum is 60.

The square root of 9966375852 is about 99831.7376989903. The cubic root of 9966375852 is about 2152.0172775270.

The spelling of 9966375852 in words is "nine billion, nine hundred sixty-six million, three hundred seventy-five thousand, eight hundred fifty-two".