The comments from Crown Prince Mohammed bin Salman came after President Donald Trump mused about returning to the kingdom as his first foreign trip.

Saudi Arabia’s Crown Prince Mohammed Bin Salman told President Donald Trump he’s willing to expand investments and trade with the US in the coming four years by $600 billion, according to the kingdom’s state-run news agency SPA.

Bin Salman does not clarify source of funds, offered in US president's first call with a foreign leader since returning to office; figure represents more than half of Saudi GDP