16842105 has 48 divisors (see below), whose sum is σ = 33705984. Its totient is φ = 7620480.

The previous prime is 16842073. The next prime is 16842109. The reversal of 16842105 is 50124861.

It is not a de Polignac number, because 16842105 - 2⁵ = 16842073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16842109) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 39795 + ... + 40215.

It is an arithmetic number, because the mean of its divisors is an integer number (702208).

Almost surely, 2^16842105 is an apocalyptic number.

16842105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

16842105 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

16842105 is a wasteful number, since it uses less digits than its factorization.

16842105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 563 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 16842105 is about 4103.9133762788. The cubic root of 16842105 is about 256.3296179328.

Adding to 16842105 its reverse (50124861), we get a palindrome (66966966).

The spelling of 16842105 in words is "sixteen million, eight hundred forty-two thousand, one hundred five".