16040803 has 2 divisors, whose sum is σ = 16040804. Its totient is φ = 16040802.

The previous prime is 16040779. The next prime is 16040831. The reversal of 16040803 is 30804061.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16040803 is a prime.

It is not a weakly prime, because it can be changed into another prime (16040833) 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, 8020401 + 8020402.

It is an arithmetic number, because the mean of its divisors is an integer number (8020402).

Almost surely, 2^16040803 is an apocalyptic number.

16040803 is a deficient number, since it is larger than the sum of its proper divisors (1).

16040803 is an equidigital number, since it uses as much as digits as its factorization.

16040803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 16040803 is about 4005.0971274115. The cubic root of 16040803 is about 252.1982304786.

Adding to 16040803 its reverse (30804061), we get a palindrome (46844864).

The spelling of 16040803 in words is "sixteen million, forty thousand, eight hundred three".