16463144 has 8 divisors (see below), whose sum is σ = 30868410. Its totient is φ = 8231568.

The previous prime is 16463143. The next prime is 16463149. The reversal of 16463144 is 44136461.

It can be written as a sum of positive squares in only one way, i.e., 15760900 + 702244 = 3970^2 + 838^2 .

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

It is a super-2 number, since 2×16463144² = 542070220729472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16463141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028939 + ... + 1028954.

Almost surely, 2^16463144 is an apocalyptic number.

It is an amenable number.

16463144 is a deficient number, since it is larger than the sum of its proper divisors (14405266).

16463144 is a wasteful number, since it uses less digits than its factorization.

16463144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057899 (or 2057895 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 16463144 is about 4057.4800061122. The cubic root of 16463144 is about 254.3924740334.

The spelling of 16463144 in words is "sixteen million, four hundred sixty-three thousand, one hundred forty-four".