Table schema:
CREATE TABLE table_name_66 (female INTEGER, district VARCHAR, number_of_households VARCHAR)

Question: What is the lowest female number of the hiroo 1-chōme district, which has more than 1,666 households?
SQL: SELECT MIN(female) FROM table_name_66 WHERE district = "hiroo 1-chōme" AND number_of_households > 1 OFFSET 666