16550012 has 12 divisors (see below), whose sum is σ = 29636376. Its totient is φ = 8082480.

The previous prime is 16549999. The next prime is 16550047. The reversal of 16550012 is 21005561.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47939 + ... + 48282.

It is an arithmetic number, because the mean of its divisors is an integer number (2469698).

Almost surely, 2^16550012 is an apocalyptic number.

It is an amenable number.

16550012 is a deficient number, since it is larger than the sum of its proper divisors (13086364).

16550012 is a wasteful number, since it uses less digits than its factorization.

16550012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96268 (or 96266 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 16550012 is about 4068.1705962263. The cubic root of 16550012 is about 254.8391244662.

Adding to 16550012 its reverse (21005561), we get a palindrome (37555573).

The spelling of 16550012 in words is "sixteen million, five hundred fifty thousand, twelve".