16016516 has 12 divisors (see below), whose sum is σ = 29677788. Its totient is φ = 7537152.

The previous prime is 16016503. The next prime is 16016521. The reversal of 16016516 is 61561061.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 10863616 = 2270^2 + 3296^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117701 + ... + 117836.

It is an arithmetic number, because the mean of its divisors is an integer number (2473149).

Almost surely, 2^16016516 is an apocalyptic number.

It is an amenable number.

16016516 is a deficient number, since it is larger than the sum of its proper divisors (13661272).

16016516 is a wasteful number, since it uses less digits than its factorization.

16016516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235558 (or 235556 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 16016516 is about 4002.0639675048. The cubic root of 16016516 is about 252.0708837297.

Adding to 16016516 its reverse (61561061), we get a palindrome (77577577).

The spelling of 16016516 in words is "sixteen million, sixteen thousand, five hundred sixteen".