12513900166 has 16 divisors (see below), whose sum is σ = 19458352656. Its totient is φ = 6030943776.

The previous prime is 12513900163. The next prime is 12513900167. The reversal of 12513900166 is 66100931521.

It is a super-2 number, since 2×12513900166² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513900163) 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 7 ways as a sum of consecutive naturals, for example, 782301 + ... + 798136.

It is an arithmetic number, because the mean of its divisors is an integer number (1216147041).

Almost surely, 2^12513900166 is an apocalyptic number.

12513900166 is a deficient number, since it is larger than the sum of its proper divisors (6944452490).

12513900166 is a wasteful number, since it uses less digits than its factorization.

12513900166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580583.

The product of its (nonzero) digits is 9720, while the sum is 34.

The spelling of 12513900166 in words is "twelve billion, five hundred thirteen million, nine hundred thousand, one hundred sixty-six".