163707673 has 2 divisors, whose sum is σ = 163707674. Its totient is φ = 163707672.

The previous prime is 163707659. The next prime is 163707701. The reversal of 163707673 is 376707361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134838544 + 28869129 = 11612^2 + 5373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163707673 is a prime.

It is not a weakly prime, because it can be changed into another prime (163707613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81853836 + 81853837.

It is an arithmetic number, because the mean of its divisors is an integer number (81853837).

Almost surely, 2^163707673 is an apocalyptic number.

It is an amenable number.

163707673 is a deficient number, since it is larger than the sum of its proper divisors (1).

163707673 is an equidigital number, since it uses as much as digits as its factorization.

163707673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 40.

The square root of 163707673 is about 12794.8299324376. The cubic root of 163707673 is about 547.0449481628.

The spelling of 163707673 in words is "one hundred sixty-three million, seven hundred seven thousand, six hundred seventy-three".