16550105 has 32 divisors (see below), whose sum is σ = 23708160. Its totient is φ = 10932480.

The previous prime is 16550099. The next prime is 16550113. The reversal of 16550105 is 50105561.

It is not a de Polignac number, because 16550105 - 2⁴ = 16550089 is a prime.

It is a super-2 number, since 2×16550105² = 547811951022050, which contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 56339 + ... + 56631.

It is an arithmetic number, because the mean of its divisors is an integer number (740880).

Almost surely, 2^16550105 is an apocalyptic number.

It is an amenable number.

16550105 is a deficient number, since it is larger than the sum of its proper divisors (7158055).

16550105 is a wasteful number, since it uses less digits than its factorization.

16550105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 16550105 is about 4068.1820264093. The cubic root of 16550105 is about 254.8396018071.

Adding to 16550105 its reverse (50105561), we get a palindrome (66655666).

The spelling of 16550105 in words is "sixteen million, five hundred fifty thousand, one hundred five".