16903093 has 4 divisors (see below), whose sum is σ = 16970688. Its totient is φ = 16835500.

The previous prime is 16903079. The next prime is 16903097. The reversal of 16903093 is 39030961.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39030961 = 3557 ⋅10973.

It is a cyclic number.

It is not a de Polignac number, because 16903093 - 2⁹ = 16902581 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16903097) 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 3 ways as a sum of consecutive naturals, for example, 33421 + ... + 33922.

It is an arithmetic number, because the mean of its divisors is an integer number (4242672).

Almost surely, 2^16903093 is an apocalyptic number.

It is an amenable number.

16903093 is a deficient number, since it is larger than the sum of its proper divisors (67595).

16903093 is an equidigital number, since it uses as much as digits as its factorization.

16903093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67594.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 16903093 is about 4111.3371304236. The cubic root of 16903093 is about 256.6386489535.

The spelling of 16903093 in words is "sixteen million, nine hundred three thousand, ninety-three".