That's nirguna Brahman. You aren't God, but God is you. Go read the Gita Bhasya of Shankara. He calls Krishna the Supreme God and Supreme Soul of all.Yes, that's the main message of advaita, I am God.
Accepting a fact of the cosmos is not ahamkara. Even Vishnu has to agree with this truth.
Lol...it's the other way around. Truth has to agree with Vishnu, for Vishnu is the refuge of even truth.