13164223264621 has 16 divisors (see below), whose sum is σ = 15466762378368. Its totient is φ = 11046113870400.

The previous prime is 13164223264607. The next prime is 13164223264663. The reversal of 13164223264621 is 12646232246131.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13164223264621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13164223264721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1259026 + ... + 5283331.

It is an arithmetic number, because the mean of its divisors is an integer number (966672648648).

Almost surely, 2^{13164223264621} is an apocalyptic number.

13164223264621 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13164223264621 is a deficient number, since it is larger than the sum of its proper divisors (2302539113747).

13164223264621 is a wasteful number, since it uses less digits than its factorization.

13164223264621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6556452.

The product of its digits is 497664, while the sum is 43.

The spelling of 13164223264621 in words is "thirteen trillion, one hundred sixty-four billion, two hundred twenty-three million, two hundred sixty-four thousand, six hundred twenty-one".