16777441 has 2 divisors, whose sum is σ = 16777442. Its totient is φ = 16777440.

The previous prime is 16777421. The next prime is 16777447. The reversal of 16777441 is 14477761.

16777441 is nontrivially palindromic in base 5.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16777216 + 225 = 4096^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 16777441 - 2²³ = 8388833 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 16777441.

It is not a weakly prime, because it can be changed into another prime (16777447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8388720 + 8388721.

It is an arithmetic number, because the mean of its divisors is an integer number (8388721).

Almost surely, 2^16777441 is an apocalyptic number.

It is an amenable number.

16777441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16777441 is an equidigital number, since it uses as much as digits as its factorization.

16777441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32928, while the sum is 37.

The square root of 16777441 is about 4096.0274657282. The cubic root of 16777441 is about 256.0011444041.

The spelling of 16777441 in words is "sixteen million, seven hundred seventy-seven thousand, four hundred forty-one".