High Downstream interleave depth?

Just looking at my stats on the hg633, i'm just wondering what i should expect from my line. Also the Downstream interleave depth looks odd, is this right?

• DSL synchronization status:
  Up
• Connection status:
  Showtime
• Upstream line rate (kbit/s):
  20000
• Downstream line rate (kbit/s):
  56032
• Maximum upstream rate (kbit/s):
  24264
• Maximum downstream rate (kbit/s):
  81644
• Upstream noise safety coefficient (dB):
  8.9
• Downstream noise safety coefficient (dB):
  6.5
• Upstream interleave depth:
  1
• Downstream interleave depth:
  1626
• Line standard:
  VDSL2
• Upstream line attenuation (dB):
  0.1
• Downstream line attenuation (dB):
  7.7
• Upstream output power (dBm):
  4.9
• Downstream output power (dBm):
  13.8
• Channel type:
  Interleaved