16855353 has 6 divisors (see below), whose sum is σ = 24346634. Its totient is φ = 11236896.

The previous prime is 16855331. The next prime is 16855357. The reversal of 16855353 is 35355861.

It can be written as a sum of positive squares in only one way, i.e., 16744464 + 110889 = 4092^2 + 333^2 .

It is not a de Polignac number, because 16855353 - 2¹³ = 16847161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16855357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 936400 + ... + 936417.

Almost surely, 2^16855353 is an apocalyptic number.

It is an amenable number.

16855353 is a deficient number, since it is larger than the sum of its proper divisors (7491281).

16855353 is a wasteful number, since it uses less digits than its factorization.

16855353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872823 (or 1872820 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The square root of 16855353 is about 4105.5271281530. The cubic root of 16855353 is about 256.3968099450.

The spelling of 16855353 in words is "sixteen million, eight hundred fifty-five thousand, three hundred fifty-three".