The public relations consultant, who acts as an advisor to Lord Alan Sugar on the BBC series, said he would like the show to air more often than it currently does.
"We have 20 weeks of it a year now. But is that enough?" he told The Sun. "We need an old persons' Apprentice next, I think."
He added: "That would be even more fascinating. See life experience get some of the spotlight."
Young Apprentice, featuring teenage candidates competing for a £25,000 cash investment, returns to BBC One on Monday, October 24 at 9pm for an eight-week run. Mathematician Arjun Rajyagor won the first series in 2010.
Hewer previously admitted that he preferred working alongside fellow advisor Margaret Mountford, who decided to to finish her PhD in papyrology and was replaced with Karren Brady.
It was recently announced that Stella English, the sixth winner of the regular Apprentice, had been fired by Lord Sugar.