16725317603 has 4 divisors (see below), whose sum is σ = 16755894600. Its totient is φ = 16694740608.

The previous prime is 16725317597. The next prime is 16725317617. The reversal of 16725317603 is 30671352761.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16725317603 - 2¹⁶ = 16725252067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16725317003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15287678 + ... + 15288771.

It is an arithmetic number, because the mean of its divisors is an integer number (4188973650).

Almost surely, 2^16725317603 is an apocalyptic number.

16725317603 is a deficient number, since it is larger than the sum of its proper divisors (30576997).

16725317603 is an equidigital number, since it uses as much as digits as its factorization.

16725317603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30576996.

The product of its (nonzero) digits is 158760, while the sum is 41.

The spelling of 16725317603 in words is "sixteen billion, seven hundred twenty-five million, three hundred seventeen thousand, six hundred three".