16647112 has 8 divisors (see below), whose sum is σ = 31213350. Its totient is φ = 8323552.

The previous prime is 16647109. The next prime is 16647119. The reversal of 16647112 is 21174661.

16647112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16048036 + 599076 = 4006^2 + 774^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16647119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040437 + ... + 1040452.

Almost surely, 2^16647112 is an apocalyptic number.

It is an amenable number.

16647112 is a deficient number, since it is larger than the sum of its proper divisors (14566238).

16647112 is a wasteful number, since it uses less digits than its factorization.

16647112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080895 (or 2080891 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 16647112 is about 4080.0872539690. The cubic root of 16647112 is about 255.3365388656.

It can be divided in two parts, 166 and 47112, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 16647112 in words is "sixteen million, six hundred forty-seven thousand, one hundred twelve".