133668167 has 2 divisors, whose sum is σ = 133668168. Its totient is φ = 133668166.

The previous prime is 133668113. The next prime is 133668179. The reversal of 133668167 is 761866331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 133668167 - 2¹⁰ = 133667143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (133668967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66834083 + 66834084.

It is an arithmetic number, because the mean of its divisors is an integer number (66834084).

Almost surely, 2^133668167 is an apocalyptic number.

133668167 is a deficient number, since it is larger than the sum of its proper divisors (1).

133668167 is an equidigital number, since it uses as much as digits as its factorization.

133668167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 41.

The square root of 133668167 is about 11561.4950157841. The cubic root of 133668167 is about 511.3002411156.

The spelling of 133668167 in words is "one hundred thirty-three million, six hundred sixty-eight thousand, one hundred sixty-seven".