16345315603 has 2 divisors, whose sum is σ = 16345315604. Its totient is φ = 16345315602.

The previous prime is 16345315549. The next prime is 16345315621. The reversal of 16345315603 is 30651354361.

It is a happy number.

16345315603 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16345315603 is a prime.

It is not a weakly prime, because it can be changed into another prime (16345315663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172657801 + 8172657802.

It is an arithmetic number, because the mean of its divisors is an integer number (8172657802).

Almost surely, 2^16345315603 is an apocalyptic number.

16345315603 is a deficient number, since it is larger than the sum of its proper divisors (1).

16345315603 is an equidigital number, since it uses as much as digits as its factorization.

16345315603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 37.

Adding to 16345315603 its reverse (30651354361), we get a palindrome (46996669964).

The spelling of 16345315603 in words is "sixteen billion, three hundred forty-five million, three hundred fifteen thousand, six hundred three".