16113144 has 64 divisors (see below), whose sum is σ = 43316640. Its totient is φ = 4976640.

The previous prime is 16113137. The next prime is 16113173. The reversal of 16113144 is 44131161.

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

It is a self number, because there is not a number n which added to its sum of digits gives 16113144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29514 + ... + 30054.

Almost surely, 2^16113144 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 16113144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21658320).

16113144 is an abundant number, since it is smaller than the sum of its proper divisors (27203496).

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

16113144 is a wasteful number, since it uses less digits than its factorization.

16113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640 (or 636 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 16113144 is about 4014.1180849596. The cubic root of 16113144 is about 252.5767841504.

The spelling of 16113144 in words is "sixteen million, one hundred thirteen thousand, one hundred forty-four".