| Atomic Mass | Mass Excess |
| 164.967052922982 amu | -30.69 MeV |
| Level energy (MeV) | Spin & parity | Half-life | Mode of decay | Branch ratio (%) | Decay energy (MeV) |
| Ground state | (1/2+) | ~1 S | EC | 0 | |
| Ground state | (1/2+) | ~1 S | A | 5.658 | |
| .048 | (11/2-) | 2.1 S 0.3 | EC | 87 | 0 |
| .048 | (11/2-) | 2.1 S 0.3 | A | 13 | 5.706 |
There is no gamma-rays or the intensities are so weak!