16490326 has 16 divisors (see below), whose sum is σ = 26081280. Its totient is φ = 7808040.

The previous prime is 16490317. The next prime is 16490329. The reversal of 16490326 is 62309461.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16490329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85 + ... + 5743.

It is an arithmetic number, because the mean of its divisors is an integer number (1630080).

Almost surely, 2^16490326 is an apocalyptic number.

16490326 is a deficient number, since it is larger than the sum of its proper divisors (9590954).

16490326 is a wasteful number, since it uses less digits than its factorization.

16490326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 16490326 is about 4060.8282406425. The cubic root of 16490326 is about 254.5324046572.

Adding to 16490326 its reverse (62309461), we get a palindrome (78799787).

The spelling of 16490326 in words is "sixteen million, four hundred ninety thousand, three hundred twenty-six".