13446664532 has 96 divisors (see below), whose sum is σ = 28364851200. Its totient is φ = 5456885760.

The previous prime is 13446664531. The next prime is 13446664537. The reversal of 13446664532 is 23546664431.

13446664532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13446664532² (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 (13446664531) 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 31 ways as a sum of consecutive naturals, for example, 8680094 + ... + 8681642.

It is an arithmetic number, because the mean of its divisors is an integer number (295467200).

Almost surely, 2^13446664532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13446664532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14182425600).

13446664532 is an abundant number, since it is smaller than the sum of its proper divisors (14918186668).

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

13446664532 is a wasteful number, since it uses less digits than its factorization.

13446664532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1799 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 44.

The spelling of 13446664532 in words is "thirteen billion, four hundred forty-six million, six hundred sixty-four thousand, five hundred thirty-two".