12547430166 has 16 divisors (see below), whose sum is σ = 26185941504. Its totient is φ = 4000629864.

The previous prime is 12547430123. The next prime is 12547430173. The reversal of 12547430166 is 66103474521.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45461566 + ... + 45461841.

It is an arithmetic number, because the mean of its divisors is an integer number (1636621344).

Almost surely, 2^12547430166 is an apocalyptic number.

12547430166 is an abundant number, since it is smaller than the sum of its proper divisors (13638511338).

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

12547430166 is a wasteful number, since it uses less digits than its factorization.

12547430166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90923435.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 12547430166 in words is "twelve billion, five hundred forty-seven million, four hundred thirty thousand, one hundred sixty-six".