165266327 has 2 divisors, whose sum is σ = 165266328. Its totient is φ = 165266326.

The previous prime is 165266317. The next prime is 165266371. The reversal of 165266327 is 723662561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165266327 - 2¹⁴ = 165249943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165266317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82633163 + 82633164.

It is an arithmetic number, because the mean of its divisors is an integer number (82633164).

Almost surely, 2^165266327 is an apocalyptic number.

165266327 is a deficient number, since it is larger than the sum of its proper divisors (1).

165266327 is an equidigital number, since it uses as much as digits as its factorization.

165266327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 165266327 is about 12855.5951631965. The cubic root of 165266327 is about 548.7755980400.

The spelling of 165266327 in words is "one hundred sixty-five million, two hundred sixty-six thousand, three hundred twenty-seven".