16473903 has 4 divisors (see below), whose sum is σ = 21965208. Its totient is φ = 10982600.

The previous prime is 16473889. The next prime is 16473913. The reversal of 16473903 is 30937461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16473903 - 2¹² = 16469807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16473913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2745648 + ... + 2745653.

It is an arithmetic number, because the mean of its divisors is an integer number (5491302).

Almost surely, 2^16473903 is an apocalyptic number.

16473903 is a deficient number, since it is larger than the sum of its proper divisors (5491305).

16473903 is an equidigital number, since it uses as much as digits as its factorization.

16473903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491304.

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 16473903 is about 4058.8056124924. The cubic root of 16473903 is about 254.4478788539.

The spelling of 16473903 in words is "sixteen million, four hundred seventy-three thousand, nine hundred three".