12662424646 has 16 divisors (see below), whose sum is σ = 19823407200. Its totient is φ = 6054732288.

The previous prime is 12662424617. The next prime is 12662424661. The reversal of 12662424646 is 64642426621.

12662424646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231460 + ... + 280888.

It is an arithmetic number, because the mean of its divisors is an integer number (1238962950).

Almost surely, 2^12662424646 is an apocalyptic number.

12662424646 is a deficient number, since it is larger than the sum of its proper divisors (7160982554).

12662424646 is a wasteful number, since it uses less digits than its factorization.

12662424646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55023.

The product of its digits is 663552, while the sum is 43.

The spelling of 12662424646 in words is "twelve billion, six hundred sixty-two million, four hundred twenty-four thousand, six hundred forty-six".