16703337217 has 12 divisors (see below), whose sum is σ = 19433135856. Its totient is φ = 14315139720.

The previous prime is 16703337187. The next prime is 16703337223. The reversal of 16703337217 is 71273330761.

It is a de Polignac number, because none of the positive numbers 2^k-16703337217 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16703337217.

It is not an unprimeable number, because it can be changed into a prime (16703337257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408298 + ... + 447340.

It is an arithmetic number, because the mean of its divisors is an integer number (1619427988).

Almost surely, 2^16703337217 is an apocalyptic number.

It is an amenable number.

16703337217 is a deficient number, since it is larger than the sum of its proper divisors (2729798639).

16703337217 is an equidigital number, since it uses as much as digits as its factorization.

16703337217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47788 (or 47781 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 40.

Adding to 16703337217 its reverse (71273330761), we get a palindrome (87976667978).

The spelling of 16703337217 in words is "sixteen billion, seven hundred three million, three hundred thirty-seven thousand, two hundred seventeen".