13144214466 has 64 divisors (see below), whose sum is σ = 29681769600. Its totient is φ = 4311111168.

The previous prime is 13144214453. The next prime is 13144214543. The reversal of 13144214466 is 66441244131.

13144214466 is a `hidden beast` number, since 13 + 1 + 442 + 144 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13144214466.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 840430 + ... + 855926.

It is an arithmetic number, because the mean of its divisors is an integer number (463777650).

Almost surely, 2^13144214466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13144214466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14840884800).

13144214466 is an abundant number, since it is smaller than the sum of its proper divisors (16537555134).

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

13144214466 is a wasteful number, since it uses less digits than its factorization.

13144214466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15760 (or 15754 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

Adding to 13144214466 its reverse (66441244131), we get a palindrome (79585458597).

The spelling of 13144214466 in words is "thirteen billion, one hundred forty-four million, two hundred fourteen thousand, four hundred sixty-six".