16903873 has 24 divisors (see below), whose sum is σ = 20979648. Its totient is φ = 13549536.

The previous prime is 16903871. The next prime is 16903877. The reversal of 16903873 is 37830961.

It is not a de Polignac number, because 16903873 - 2¹ = 16903871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16903871) 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 23 ways as a sum of consecutive naturals, for example, 59590 + ... + 59872.

It is an arithmetic number, because the mean of its divisors is an integer number (874152).

Almost surely, 2^16903873 is an apocalyptic number.

It is an amenable number.

16903873 is a deficient number, since it is larger than the sum of its proper divisors (4075775).

16903873 is a wasteful number, since it uses less digits than its factorization.

16903873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 366 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 16903873 is about 4111.4319889790. The cubic root of 16903873 is about 256.6425964572.

The spelling of 16903873 in words is "sixteen million, nine hundred three thousand, eight hundred seventy-three".