14066689612480 has 56 divisors (see below), whose sum is σ = 33502016440080. Its totient is φ = 5625716382720.

The previous prime is 14066689612387. The next prime is 14066689612483. The reversal of 14066689612480 is 8421698666041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (14066689612483) 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 7 ways as a sum of consecutive naturals, for example, 1866886 + ... + 5623045.

Almost surely, 2^{14066689612480} is an apocalyptic number.

14066689612480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14066689612480 is an abundant number, since it is smaller than the sum of its proper divisors (19435326827600).

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

14066689612480 is an equidigital number, since it uses as much as digits as its factorization.

14066689612480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7495817 (or 7495807 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 14066689612480 in words is "fourteen trillion, sixty-six billion, six hundred eighty-nine million, six hundred twelve thousand, four hundred eighty".