16671740017 has 4 divisors (see below), whose sum is σ = 16696962676. Its totient is φ = 16646517360.

The previous prime is 16671740011. The next prime is 16671740069. The reversal of 16671740017 is 71004717661.

16671740017 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14802128896 + 1869611121 = 121664^2 + 43239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16671740017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16671740011) 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 in 3 ways as a sum of consecutive naturals, for example, 12610338 + ... + 12611659.

It is an arithmetic number, because the mean of its divisors is an integer number (4174240669).

Almost surely, 2^16671740017 is an apocalyptic number.

It is an amenable number.

16671740017 is a deficient number, since it is larger than the sum of its proper divisors (25222659).

16671740017 is an equidigital number, since it uses as much as digits as its factorization.

16671740017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25222658.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 16671740017 in words is "sixteen billion, six hundred seventy-one million, seven hundred forty thousand, seventeen".