14666621441472 has 3360 divisors, whose sum is σ = 63570697344000. Its totient is φ = 3276998000640.

The previous prime is 14666621441449. The next prime is 14666621441513. The reversal of 14666621441472 is 27414412666641.

14666621441472 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-3 number, since 3×14666621441472³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 54522756154 + ... + 54522756422.

It is an arithmetic number, because the mean of its divisors is an integer number (18919850400).

Almost surely, 2^{14666621441472} is an apocalyptic number.

14666621441472 is a gapful number since it is divisible by the number (12) 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 14666621441472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31785348672000).

14666621441472 is an abundant number, since it is smaller than the sum of its proper divisors (48904075902528).

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

14666621441472 is a wasteful number, since it uses less digits than its factorization.

14666621441472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 403 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 14666621441472 in words is "fourteen trillion, six hundred sixty-six billion, six hundred twenty-one million, four hundred forty-one thousand, four hundred seventy-two".