663167 has 2 divisors, whose sum is σ = 663168. Its totient is φ = 663166.

The previous prime is 663163. The next prime is 663191. The reversal of 663167 is 761366.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663167 - 2² = 663163 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 663167.

It is not a weakly prime, because it can be changed into another prime (663161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331583 + 331584.

It is an arithmetic number, because the mean of its divisors is an integer number (331584).

2⁶⁶³¹⁶⁷ is an apocalyptic number.

663167 is a deficient number, since it is larger than the sum of its proper divisors (1).

663167 is an equidigital number, since it uses as much as digits as its factorization.

663167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 663167 is about 814.3506615703. The cubic root of 663167 is about 87.2049161861.

The spelling of 663167 in words is "six hundred sixty-three thousand, one hundred sixty-seven".