16443016 has 16 divisors (see below), whose sum is σ = 30876300. Its totient is φ = 8209344.

The previous prime is 16443013. The next prime is 16443041. The reversal of 16443016 is 61034461.

It can be written as a sum of positive squares in 2 ways, for example, as 16434916 + 8100 = 4054^2 + 90^2 .

It is a super-3 number, since 3×16443016³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (16443013) 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 in 3 ways as a sum of consecutive naturals, for example, 7090 + ... + 9118.

Almost surely, 2^16443016 is an apocalyptic number.

It is an amenable number.

16443016 is a deficient number, since it is larger than the sum of its proper divisors (14433284).

16443016 is a wasteful number, since it uses less digits than its factorization.

16443016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048 (or 3044 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 16443016 is about 4054.9988902588. The cubic root of 16443016 is about 254.2887575158.

Adding to 16443016 its reverse (61034461), we get a palindrome (77477477).

The spelling of 16443016 in words is "sixteen million, four hundred forty-three thousand, sixteen".