16724323673 has 2 divisors, whose sum is σ = 16724323674. Its totient is φ = 16724323672.

The previous prime is 16724323633. The next prime is 16724323687. The reversal of 16724323673 is 37632342761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10648588864 + 6075734809 = 103192^2 + 77947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16724323673 is a prime.

It is not a weakly prime, because it can be changed into another prime (16724323633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8362161836 + 8362161837.

It is an arithmetic number, because the mean of its divisors is an integer number (8362161837).

Almost surely, 2^16724323673 is an apocalyptic number.

It is an amenable number.

16724323673 is a deficient number, since it is larger than the sum of its proper divisors (1).

16724323673 is an equidigital number, since it uses as much as digits as its factorization.

16724323673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 44.

The spelling of 16724323673 in words is "sixteen billion, seven hundred twenty-four million, three hundred twenty-three thousand, six hundred seventy-three".