The Daily Mail published an article that says:

“The legal battle over Prince's estate came to an end on Sunday five years after his untimely death at 57 in 2016. The star's wealth, which totaled $156.4 million, was fought over by a number of that star's potential heirs because the Purple Rain singer did not leave a will.  The Internal Revenue Service and Comerica Bank & Trust, the estate's administrator, finally came to an agreement on the valuation after giving wildly different estimations at the beginning.”