16289516 has 12 divisors (see below), whose sum is σ = 28535640. Its totient is φ = 8136480.

The previous prime is 16289513. The next prime is 16289531. The reversal of 16289516 is 61598261.

It is a self number, because there is not a number n which added to its sum of digits gives 16289516.

It is not an unprimeable number, because it can be changed into a prime (16289513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5171 + ... + 7701.

It is an arithmetic number, because the mean of its divisors is an integer number (2377970).

Almost surely, 2^16289516 is an apocalyptic number.

It is an amenable number.

16289516 is a deficient number, since it is larger than the sum of its proper divisors (12246124).

16289516 is a wasteful number, since it uses less digits than its factorization.

16289516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4144 (or 4142 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 16289516 is about 4036.0272546156. The cubic root of 16289516 is about 253.4949976125.

The spelling of 16289516 in words is "sixteen million, two hundred eighty-nine thousand, five hundred sixteen".