12500150166 has 48 divisors (see below), whose sum is σ = 31051741344. Its totient is φ = 3560049792.

The previous prime is 12500150161. The next prime is 12500150249. The reversal of 12500150166 is 66105100521.

It is a happy number.

12500150166 is a `hidden beast` number, since 1 + 2 + 500 + 150 + 1 + 6 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12500150161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119041 + ... + 197916.

It is an arithmetic number, because the mean of its divisors is an integer number (646911278).

Almost surely, 2^12500150166 is an apocalyptic number.

12500150166 is an abundant number, since it is smaller than the sum of its proper divisors (18551591178).

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

12500150166 is a wasteful number, since it uses less digits than its factorization.

12500150166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317285 (or 317282 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 12500150166 its reverse (66105100521), we get a palindrome (78605250687).

The spelling of 12500150166 in words is "twelve billion, five hundred million, one hundred fifty thousand, one hundred sixty-six".