Link is to https://www.nielsen.com/us/en/insights/news/2018/time-flies-us-adults-now-spend-nearly-half-a-day-interacting-with-media.html
Which doesn’t refer to 666.
Cites first-quarter 2018 Nielsen Total Audience Report (https://www.nielsen.com/us/en/insights/reports/2018/q1-2018-total-audience-report.html) to access full report you must sign up.