16328516 has 12 divisors (see below), whose sum is σ = 28603260. Its totient is φ = 8156160.

The previous prime is 16328513. The next prime is 16328531. The reversal of 16328516 is 61582361.

It is a happy number.

16328516 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 2 ways, for example, as 9060100 + 7268416 = 3010^2 + 2696^2 .

It is not an unprimeable number, because it can be changed into a prime (16328513) 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, 6476 + ... + 8636.

It is an arithmetic number, because the mean of its divisors is an integer number (2383605).

Almost surely, 2^16328516 is an apocalyptic number.

It is an amenable number.

16328516 is a deficient number, since it is larger than the sum of its proper divisors (12274744).

16328516 is a wasteful number, since it uses less digits than its factorization.

16328516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054 (or 4052 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 16328516 is about 4040.8558499407. The cubic root of 16328516 is about 253.6971404207.

It can be divided in two parts, 16328 and 516, that multiplied together give a palindrome (8425248).

The spelling of 16328516 in words is "sixteen million, three hundred twenty-eight thousand, five hundred sixteen".