100010001000: pronounced as1.1100 million.
506,000: 506,000 pronunciations.
500600: Pronunciation 500600.
5 10600: Pronunciation 5 10600.
5 16000: Pronunciation 5 1.6 million.
Read from high to low in ten thousand, one hundred million and one trillion segments. The consecutive zeros in each segment are read only once, and the zeros at the end of the segment are not read (including the consecutive zeros at the end of the segment).