14021891866752 has 256 divisors, whose sum is σ = 46801786798080. Its totient is φ = 3613371310080.

The previous prime is 14021891866739. The next prime is 14021891866757. The reversal of 14021891866752 is 25766819812041.

It is a super-2 number, since 2×14021891866752² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14021891866757) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1888108 + ... + 5622164.

It is an arithmetic number, because the mean of its divisors is an integer number (182819479680).

Almost surely, 2^{14021891866752} is an apocalyptic number.

14021891866752 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 14021891866752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23400893399040).

14021891866752 is an abundant number, since it is smaller than the sum of its proper divisors (32779894931328).

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

14021891866752 is a wasteful number, since it uses less digits than its factorization.

14021891866752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3734219 (or 3734207 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 14021891866752 in words is "fourteen trillion, twenty-one billion, eight hundred ninety-one million, eight hundred sixty-six thousand, seven hundred fifty-two".