16553105 has 8 divisors (see below), whose sum is σ = 20103552. Its totient is φ = 13082608.

The previous prime is 16553081. The next prime is 16553111. The reversal of 16553105 is 50135561.

16553105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16553105 - 2⁶ = 16553041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19529 + ... + 20358.

It is an arithmetic number, because the mean of its divisors is an integer number (2512944).

Almost surely, 2^16553105 is an apocalyptic number.

It is an amenable number.

16553105 is a deficient number, since it is larger than the sum of its proper divisors (3550447).

16553105 is an equidigital number, since it uses as much as digits as its factorization.

16553105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39975.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 16553105 is about 4068.5507247667. The cubic root of 16553105 is about 254.8549989424.

Adding to 16553105 its reverse (50135561), we get a palindrome (66688666).

The spelling of 16553105 in words is "sixteen million, five hundred fifty-three thousand, one hundred five".