gorge/numbers.js

function render(val, places=1) {
  return numberText(val, places);
}

function numberText(val, places=1) {
  let power = Math.floor(Math.log10(val));

  let order = Math.floor(power / 3);

  val = round(val / Math.pow(1000, order), places).toFixed(places);

  return val + " " + _numberWords[order];
}

_numberWords = {
  0: "",
  1: "thousand",
  2: "million",
  3: "billion",
  4: "trillion",
  5: "quadrillion",
  6: "septillion",
  7: "sextillion",
  8: "octillion",
  9: "nonillion",
  10: "decillion"
}