16673374169 has 2 divisors, whose sum is σ = 16673374170. Its totient is φ = 16673374168.

The previous prime is 16673374129. The next prime is 16673374181. The reversal of 16673374169 is 96147337661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11494412944 + 5178961225 = 107212^2 + 71965^2 .

It is an emirp because it is prime and its reverse (96147337661) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16673374169 is a prime.

It is a super-2 number, since 2×16673374169² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16673374169.

It is not a weakly prime, because it can be changed into another prime (16673374129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8336687084 + 8336687085.

It is an arithmetic number, because the mean of its divisors is an integer number (8336687085).

Almost surely, 2^16673374169 is an apocalyptic number.

It is an amenable number.

16673374169 is a deficient number, since it is larger than the sum of its proper divisors (1).

16673374169 is an equidigital number, since it uses as much as digits as its factorization.

16673374169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 53.

The spelling of 16673374169 in words is "sixteen billion, six hundred seventy-three million, three hundred seventy-four thousand, one hundred sixty-nine".