16674173513 has 2 divisors, whose sum is σ = 16674173514. Its totient is φ = 16674173512.

The previous prime is 16674173459. The next prime is 16674173533. The reversal of 16674173513 is 31537147661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11747958544 + 4926214969 = 108388^2 + 70187^2 .

It is a cyclic number.

It is not a de Polignac number, because 16674173513 - 2¹² = 16674169417 is a prime.

It is a super-2 number, since 2×16674173513² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16674173533) 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 as a sum of consecutive naturals, namely, 8337086756 + 8337086757.

It is an arithmetic number, because the mean of its divisors is an integer number (8337086757).

Almost surely, 2^16674173513 is an apocalyptic number.

It is an amenable number.

16674173513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16674173513 is an equidigital number, since it uses as much as digits as its factorization.

16674173513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The spelling of 16674173513 in words is "sixteen billion, six hundred seventy-four million, one hundred seventy-three thousand, five hundred thirteen".