16768105 has 4 divisors (see below), whose sum is σ = 20121732. Its totient is φ = 13414480.

The previous prime is 16768093. The next prime is 16768111. The reversal of 16768105 is 50186761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8317456 + 8450649 = 2884^2 + 2907^2 .

It is not a de Polignac number, because 16768105 - 2¹⁹ = 16243817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676806 + ... + 1676815.

It is an arithmetic number, because the mean of its divisors is an integer number (5030433).

Almost surely, 2^16768105 is an apocalyptic number.

It is an amenable number.

16768105 is a deficient number, since it is larger than the sum of its proper divisors (3353627).

16768105 is an equidigital number, since it uses as much as digits as its factorization.

16768105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353626.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 16768105 is about 4094.8876663469. The cubic root of 16768105 is about 255.9536506665.

The spelling of 16768105 in words is "sixteen million, seven hundred sixty-eight thousand, one hundred five".