14643806720 has 160 divisors (see below), whose sum is σ = 36752723568. Its totient is φ = 5589762048.

The previous prime is 14643806717. The next prime is 14643806741. The reversal of 14643806720 is 2760834641.

It can be written as a sum of positive squares in 8 ways, for example, as 14357790976 + 286015744 = 119824^2 + 16912^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5018702 + ... + 5021618.

Almost surely, 2^14643806720 is an apocalyptic number.

14643806720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14643806720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18376361784).

14643806720 is an abundant number, since it is smaller than the sum of its proper divisors (22108916848).

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

14643806720 is an equidigital number, since it uses as much as digits as its factorization.

14643806720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 14643806720 in words is "fourteen billion, six hundred forty-three million, eight hundred six thousand, seven hundred twenty".