16703503673 has 4 divisors (see below), whose sum is σ = 16708692708. Its totient is φ = 16698314640.

The previous prime is 16703503667. The next prime is 16703503679. The reversal of 16703503673 is 37630530761.

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

It is an interprime number because it is at equal distance from previous prime (16703503667) and next prime (16703503679).

It can be written as a sum of positive squares in 2 ways, for example, as 14575249984 + 2128253689 = 120728^2 + 46133^2 .

It is a cyclic number.

It is not a de Polignac number, because 16703503673 - 2²⁴ = 16686726457 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 16703503673.

It is not an unprimeable number, because it can be changed into a prime (16703503679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2589686 + ... + 2596127.

It is an arithmetic number, because the mean of its divisors is an integer number (4177173177).

Almost surely, 2^16703503673 is an apocalyptic number.

It is an amenable number.

16703503673 is a deficient number, since it is larger than the sum of its proper divisors (5189035).

16703503673 is an equidigital number, since it uses as much as digits as its factorization.

16703503673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189034.

The product of its (nonzero) digits is 238140, while the sum is 41.

The spelling of 16703503673 in words is "sixteen billion, seven hundred three million, five hundred three thousand, six hundred seventy-three".