16896685 has 8 divisors (see below), whose sum is σ = 21835800. Its totient is φ = 12477504.

The previous prime is 16896683. The next prime is 16896689. The reversal of 16896685 is 58669861.

It can be written as a sum of positive squares in 4 ways, for example, as 1127844 + 15768841 = 1062^2 + 3971^2 .

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

It is not a de Polignac number, because 16896685 - 2¹ = 16896683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16896683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129910 + ... + 130039.

It is an arithmetic number, because the mean of its divisors is an integer number (2729475).

Almost surely, 2^16896685 is an apocalyptic number.

It is an amenable number.

16896685 is a deficient number, since it is larger than the sum of its proper divisors (4939115).

16896685 is a wasteful number, since it uses less digits than its factorization.

16896685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259967.

The product of its digits is 622080, while the sum is 49.

The square root of 16896685 is about 4110.5577480434. The cubic root of 16896685 is about 256.6062140943.

The spelling of 16896685 in words is "sixteen million, eight hundred ninety-six thousand, six hundred eighty-five".