14688221616 has 80 divisors (see below), whose sum is σ = 42396393600. Its totient is φ = 4868695872.

The previous prime is 14688221609. The next prime is 14688221623. The reversal of 14688221616 is 61612288641.

It is a happy number.

14688221616 is a `hidden beast` number, since 1 + 4 + 6 + 8 + 8 + 2 + 21 + 616 = 666.

It is an interprime number because it is at equal distance from previous prime (14688221609) and next prime (14688221623).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17646 + ... + 172301.

It is an arithmetic number, because the mean of its divisors is an integer number (529954920).

Almost surely, 2^14688221616 is an apocalyptic number.

14688221616 is a gapful number since it is divisible by the number (16) 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 14688221616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21198196800).

14688221616 is an abundant number, since it is smaller than the sum of its proper divisors (27708171984).

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

14688221616 is a wasteful number, since it uses less digits than its factorization.

14688221616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190143 (or 190131 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 14688221616 in words is "fourteen billion, six hundred eighty-eight million, two hundred twenty-one thousand, six hundred sixteen".