16490208 has 96 divisors (see below), whose sum is σ = 50512896. Its totient is φ = 4612608.

The previous prime is 16490207. The next prime is 16490213. The reversal of 16490208 is 80209461.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16490207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35385 + ... + 35847.

It is an arithmetic number, because the mean of its divisors is an integer number (526176).

Almost surely, 2^16490208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16490208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25256448).

16490208 is an abundant number, since it is smaller than the sum of its proper divisors (34022688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16490208 is a wasteful number, since it uses less digits than its factorization.

16490208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 16490208 is about 4060.8137115608. The cubic root of 16490208 is about 254.5317975357.

Adding to 16490208 its reverse (80209461), we get a palindrome (96699669).

The spelling of 16490208 in words is "sixteen million, four hundred ninety thousand, two hundred eight".