16042801 has 2 divisors, whose sum is σ = 16042802. Its totient is φ = 16042800.

The previous prime is 16042787. The next prime is 16042811. The reversal of 16042801 is 10824061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15681600 + 361201 = 3960^2 + 601^2 .

It is a cyclic number.

It is not a de Polignac number, because 16042801 - 2⁷ = 16042673 is a prime.

It is not a weakly prime, because it can be changed into another prime (16042811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8021400 + 8021401.

It is an arithmetic number, because the mean of its divisors is an integer number (8021401).

Almost surely, 2^16042801 is an apocalyptic number.

It is an amenable number.

16042801 is a deficient number, since it is larger than the sum of its proper divisors (1).

16042801 is an equidigital number, since it uses as much as digits as its factorization.

16042801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 16042801 is about 4005.3465517980. The cubic root of 16042801 is about 252.2087010921.

Adding to 16042801 its reverse (10824061), we get a palindrome (26866862).

The spelling of 16042801 in words is "sixteen million, forty-two thousand, eight hundred one".