165270067 has 2 divisors, whose sum is σ = 165270068. Its totient is φ = 165270066.

The previous prime is 165269977. The next prime is 165270089. The reversal of 165270067 is 760072561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-165270067 is a prime.

It is not a weakly prime, because it can be changed into another prime (165270667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82635033 + 82635034.

It is an arithmetic number, because the mean of its divisors is an integer number (82635034).

Almost surely, 2^165270067 is an apocalyptic number.

165270067 is a deficient number, since it is larger than the sum of its proper divisors (1).

165270067 is an equidigital number, since it uses as much as digits as its factorization.

165270067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 165270067 is about 12855.7406243281. The cubic root of 165270067 is about 548.7797376315.

The spelling of 165270067 in words is "one hundred sixty-five million, two hundred seventy thousand, sixty-seven".