How much is 1640 US Dollar to Communauté Financière Africaine (BCEAO), Franc? 919,652.69 Communauté Financière Africaine (BCEAO), Franc is todays conversion result. International currency exchange rate for pair USD to XOF for today is 560.7638. CNV.to is using the latest data from authority sources, data updates every minute. To calculate reversed currencies go to - 1640 XOF to USD.