16317144 has 48 divisors (see below), whose sum is σ = 46795320. Its totient is φ = 5118720.

The previous prime is 16317107. The next prime is 16317151. The reversal of 16317144 is 44171361.

It is a happy number.

It is a congruent number.

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, 5442 + ... + 7889.

Almost surely, 2^16317144 is an apocalyptic number.

It is an amenable number.

16317144 is an abundant number, since it is smaller than the sum of its proper divisors (30478176).

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

16317144 is a wasteful number, since it uses less digits than its factorization.

16317144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13360 (or 13353 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 16317144 is about 4039.4484772058. The cubic root of 16317144 is about 253.6382309255.

It can be divided in two parts, 16317 and 144, that added together give a palindrome (16461).

The spelling of 16317144 in words is "sixteen million, three hundred seventeen thousand, one hundred forty-four".