12166875474 has 96 divisors (see below), whose sum is σ = 27511488000. Its totient is φ = 3581360640.

The previous prime is 12166875439. The next prime is 12166875521. The reversal of 12166875474 is 47457866121.

12166875474 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2795452 + ... + 2799800.

It is an arithmetic number, because the mean of its divisors is an integer number (286578000).

Almost surely, 2^12166875474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12166875474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13755744000).

12166875474 is an abundant number, since it is smaller than the sum of its proper divisors (15344612526).

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

12166875474 is a wasteful number, since it uses less digits than its factorization.

12166875474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500 (or 4487 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 12166875474 in words is "twelve billion, one hundred sixty-six million, eight hundred seventy-five thousand, four hundred seventy-four".