673334161 has 2 divisors, whose sum is σ = 673334162. Its totient is φ = 673334160.

The previous prime is 673334149. The next prime is 673334227. The reversal of 673334161 is 161433376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 422713600 + 250620561 = 20560^2 + 15831^2 .

It is a cyclic number.

It is not a de Polignac number, because 673334161 - 2¹¹ = 673332113 is a prime.

It is not a weakly prime, because it can be changed into another prime (673334111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336667080 + 336667081.

It is an arithmetic number, because the mean of its divisors is an integer number (336667081).

Almost surely, 2^673334161 is an apocalyptic number.

It is an amenable number.

673334161 is a deficient number, since it is larger than the sum of its proper divisors (1).

673334161 is an equidigital number, since it uses as much as digits as its factorization.

673334161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 673334161 is about 25948.6832228535. The cubic root of 673334161 is about 876.4831058633.

The spelling of 673334161 in words is "six hundred seventy-three million, three hundred thirty-four thousand, one hundred sixty-one".