16445016 has 96 divisors (see below), whose sum is σ = 51767040. Its totient is φ = 4618944.

The previous prime is 16444993. The next prime is 16445027. The reversal of 16445016 is 61054461.

16445016 is a `hidden beast` number, since 1 + 644 + 5 + 0 + 16 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33525 + ... + 34011.

It is an arithmetic number, because the mean of its divisors is an integer number (539240).

Almost surely, 2^16445016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16445016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25883520).

16445016 is an abundant number, since it is smaller than the sum of its proper divisors (35322024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16445016 is a wasteful number, since it uses less digits than its factorization.

16445016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16445016 is about 4055.2454919524. The cubic root of 16445016 is about 254.2990669971.

Adding to 16445016 its reverse (61054461), we get a palindrome (77499477).

The spelling of 16445016 in words is "sixteen million, four hundred forty-five thousand, sixteen".