16143112 has 8 divisors (see below), whose sum is σ = 30268350. Its totient is φ = 8071552.

The previous prime is 16143109. The next prime is 16143119. The reversal of 16143112 is 21134161.

It can be written as a sum of positive squares in only one way, i.e., 9205156 + 6937956 = 3034^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 16143112.

It is not an unprimeable number, because it can be changed into a prime (16143119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008937 + ... + 1008952.

Almost surely, 2^16143112 is an apocalyptic number.

It is an amenable number.

16143112 is a deficient number, since it is larger than the sum of its proper divisors (14125238).

16143112 is a wasteful number, since it uses less digits than its factorization.

16143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2017895 (or 2017891 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 16143112 is about 4017.8491758651. The cubic root of 16143112 is about 252.7332719920.

Adding to 16143112 its reverse (21134161), we get a palindrome (37277273).

The spelling of 16143112 in words is "sixteen million, one hundred forty-three thousand, one hundred twelve".