16805896 has 8 divisors (see below), whose sum is σ = 31511070. Its totient is φ = 8402944.

The previous prime is 16805891. The next prime is 16805903. The reversal of 16805896 is 69850861.

It can be written as a sum of positive squares in only one way, i.e., 13616100 + 3189796 = 3690^2 + 1786^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16805891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050361 + ... + 1050376.

Almost surely, 2^16805896 is an apocalyptic number.

It is an amenable number.

16805896 is a deficient number, since it is larger than the sum of its proper divisors (14705174).

16805896 is a wasteful number, since it uses less digits than its factorization.

16805896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100743 (or 2100739 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 16805896 is about 4099.4994816441. The cubic root of 16805896 is about 256.1457909803.

The spelling of 16805896 in words is "sixteen million, eight hundred five thousand, eight hundred ninety-six".