12502875166 has 4 divisors (see below), whose sum is σ = 18754312752. Its totient is φ = 6251437582.

The previous prime is 12502875163. The next prime is 12502875167. The reversal of 12502875166 is 66157820521.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12502875163) 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 as a sum of consecutive naturals, namely, 3125718790 + ... + 3125718793.

It is an arithmetic number, because the mean of its divisors is an integer number (4688578188).

Almost surely, 2^12502875166 is an apocalyptic number.

12502875166 is a deficient number, since it is larger than the sum of its proper divisors (6251437586).

12502875166 is an equidigital number, since it uses as much as digits as its factorization.

12502875166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6251437585.

The product of its (nonzero) digits is 201600, while the sum is 43.

It can be divided in two parts, 1250 and 2875166, that added together give a square (2876416 = 1696²).

The spelling of 12502875166 in words is "twelve billion, five hundred two million, eight hundred seventy-five thousand, one hundred sixty-six".