14550686514 has 144 divisors (see below), whose sum is σ = 41574012480. Its totient is φ = 3635513280.

The previous prime is 14550686497. The next prime is 14550686543. The reversal of 14550686514 is 41568605541.

14550686514 is a `hidden beast` number, since 1 + 4 + 5 + 50 + 6 + 86 + 514 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 14550686514.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 184459 + ... + 251249.

It is an arithmetic number, because the mean of its divisors is an integer number (288708420).

Almost surely, 2^14550686514 is an apocalyptic number.

14550686514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14550686514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20787006240).

14550686514 is an abundant number, since it is smaller than the sum of its proper divisors (27023325966).

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

14550686514 is a wasteful number, since it uses less digits than its factorization.

14550686514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66845 (or 66835 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 14550686514 in words is "fourteen billion, five hundred fifty million, six hundred eighty-six thousand, five hundred fourteen".