16516012 has 6 divisors (see below), whose sum is σ = 28903028. Its totient is φ = 8258004.

The previous prime is 16516009. The next prime is 16516013. The reversal of 16516012 is 21061561.

16516012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16516013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2064498 + ... + 2064505.

Almost surely, 2^16516012 is an apocalyptic number.

It is an amenable number.

16516012 is a deficient number, since it is larger than the sum of its proper divisors (12387016).

16516012 is a wasteful number, since it uses less digits than its factorization.

16516012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129007 (or 4129005 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 16516012 is about 4063.9896653412. The cubic root of 16516012 is about 254.6644927616.

Adding to 16516012 its reverse (21061561), we get a palindrome (37577573).

The spelling of 16516012 in words is "sixteen million, five hundred sixteen thousand, twelve".