16490303 has 4 divisors (see below), whose sum is σ = 16505448. Its totient is φ = 16475160.

The previous prime is 16490297. The next prime is 16490311. The reversal of 16490303 is 30309461.

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 16490303 - 2⁶ = 16490239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16490393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5801 + ... + 8162.

It is an arithmetic number, because the mean of its divisors is an integer number (4126362).

Almost surely, 2^16490303 is an apocalyptic number.

16490303 is a deficient number, since it is larger than the sum of its proper divisors (15145).

16490303 is a wasteful number, since it uses less digits than its factorization.

16490303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15144.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 16490303 is about 4060.8254087070. The cubic root of 16490303 is about 254.5322863202.

Adding to 16490303 its reverse (30309461), we get a palindrome (46799764).

The spelling of 16490303 in words is "sixteen million, four hundred ninety thousand, three hundred three".