168336673 has 2 divisors, whose sum is σ = 168336674. Its totient is φ = 168336672.

The previous prime is 168336667. The next prime is 168336691. The reversal of 168336673 is 376633861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94926049 + 73410624 = 9743^2 + 8568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168336673 is a prime.

It is not a weakly prime, because it can be changed into another prime (168336073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84168336 + 84168337.

It is an arithmetic number, because the mean of its divisors is an integer number (84168337).

Almost surely, 2^168336673 is an apocalyptic number.

It is an amenable number.

168336673 is a deficient number, since it is larger than the sum of its proper divisors (1).

168336673 is an equidigital number, since it uses as much as digits as its factorization.

168336673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 43.

The square root of 168336673 is about 12974.4623395345. The cubic root of 168336673 is about 552.1531826937.

The spelling of 168336673 in words is "one hundred sixty-eight million, three hundred thirty-six thousand, six hundred seventy-three".