16551104 has 14 divisors (see below), whose sum is σ = 32843724. Its totient is φ = 8275520.

The previous prime is 16551091. The next prime is 16551131. The reversal of 16551104 is 40115561.

It is a self number, because there is not a number n which added to its sum of digits gives 16551104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129242 + ... + 129369.

Almost surely, 2^16551104 is an apocalyptic number.

It is an amenable number.

16551104 is a deficient number, since it is larger than the sum of its proper divisors (16292620).

16551104 is an equidigital number, since it uses as much as digits as its factorization.

16551104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258623 (or 258613 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 16551104 is about 4068.3048066732. The cubic root of 16551104 is about 254.8447292598.

Adding to 16551104 its reverse (40115561), we get a palindrome (56666665).

The spelling of 16551104 in words is "sixteen million, five hundred fifty-one thousand, one hundred four".