16744518144 has 120 divisors (see below), whose sum is σ = 50427254592. Its totient is φ = 5338798080.

The previous prime is 16744518139. The next prime is 16744518173. The reversal of 16744518144 is 44181544761.

16744518144 is a `hidden beast` number, since 1 + 67 + 445 + 1 + 8 + 144 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 16744518144.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26989 + ... + 184979.

Almost surely, 2^16744518144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16744518144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25213627296).

16744518144 is an abundant number, since it is smaller than the sum of its proper divisors (33682736448).

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

16744518144 is a wasteful number, since it uses less digits than its factorization.

16744518144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158038 (or 158019 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The spelling of 16744518144 in words is "sixteen billion, seven hundred forty-four million, five hundred eighteen thousand, one hundred forty-four".