12166200675 has 48 divisors (see below), whose sum is σ = 22364282880. Its totient is φ = 6484425120.

The previous prime is 12166200649. The next prime is 12166200679. The reversal of 12166200675 is 57600266121.

It is a happy number.

12166200675 is a `hidden beast` number, since 1 + 21 + 6 + 620 + 0 + 6 + 7 + 5 = 666.

It is not a de Polignac number, because 12166200675 - 2⁵ = 12166200643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12166200679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1225582 + ... + 1235468.

It is an arithmetic number, because the mean of its divisors is an integer number (465922560).

Almost surely, 2^12166200675 is an apocalyptic number.

12166200675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12166200675 is a deficient number, since it is larger than the sum of its proper divisors (10198082205).

12166200675 is a wasteful number, since it uses less digits than its factorization.

12166200675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11729 (or 11718 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 12166200675 its reverse (57600266121), we get a palindrome (69766466796).

The spelling of 12166200675 in words is "twelve billion, one hundred sixty-six million, two hundred thousand, six hundred seventy-five".