16788241 has 2 divisors, whose sum is σ = 16788242. Its totient is φ = 16788240.

The previous prime is 16788221. The next prime is 16788251. The reversal of 16788241 is 14288761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 11025 = 4096^2 + 105^2 .

It is a cyclic number.

It is not a de Polignac number, because 16788241 - 2⁵ = 16788209 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 16788241.

It is not a weakly prime, because it can be changed into another prime (16788221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8394120 + 8394121.

It is an arithmetic number, because the mean of its divisors is an integer number (8394121).

Almost surely, 2^16788241 is an apocalyptic number.

It is an amenable number.

16788241 is a deficient number, since it is larger than the sum of its proper divisors (1).

16788241 is an equidigital number, since it uses as much as digits as its factorization.

16788241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 37.

The square root of 16788241 is about 4097.3456041686. The cubic root of 16788241 is about 256.0560637710.

The spelling of 16788241 in words is "sixteen million, seven hundred eighty-eight thousand, two hundred forty-one".