13468668646 has 8 divisors (see below), whose sum is σ = 20632854240. Its totient is φ = 6591050568.

The previous prime is 13468668637. The next prime is 13468668649. The reversal of 13468668646 is 64686686431.

13468668646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13468668649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 71641761 + ... + 71641948.

It is an arithmetic number, because the mean of its divisors is an integer number (2579106780).

Almost surely, 2^13468668646 is an apocalyptic number.

13468668646 is a deficient number, since it is larger than the sum of its proper divisors (7164185594).

13468668646 is a wasteful number, since it uses less digits than its factorization.

13468668646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143283758.

The product of its digits is 23887872, while the sum is 58.

The spelling of 13468668646 in words is "thirteen billion, four hundred sixty-eight million, six hundred sixty-eight thousand, six hundred forty-six".