16490207 has 2 divisors, whose sum is σ = 16490208. Its totient is φ = 16490206.

The previous prime is 16490179. The next prime is 16490213. The reversal of 16490207 is 70209461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16490207 - 2⁶ = 16490143 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16490207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16490267) 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 as a sum of consecutive naturals, namely, 8245103 + 8245104.

It is an arithmetic number, because the mean of its divisors is an integer number (8245104).

Almost surely, 2^16490207 is an apocalyptic number.

16490207 is a deficient number, since it is larger than the sum of its proper divisors (1).

16490207 is an equidigital number, since it uses as much as digits as its factorization.

16490207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 16490207 is about 4060.8135884327. The cubic root of 16490207 is about 254.5317923906.

Adding to 16490207 its reverse (70209461), we get a palindrome (86699668).

The spelling of 16490207 in words is "sixteen million, four hundred ninety thousand, two hundred seven".