
    Given the total number of social media posts awaiting moderation, determine the largest batch size (which must be a power of 2) that can be processed simultaneously without exceeding the total number of posts. This batch size will ensure optimal distribution of posts across available moderator teams while maintaining efficient parallel processing capabilities.
    

    
def highest_Power_of_2(n):
    """
    Given the total number of social media posts awaiting moderation, determine the largest batch size (which must be a power of 2) that can be processed simultaneously without exceeding the total number of posts. This batch size will ensure optimal distribution of posts across available moderator teams while maintaining efficient parallel processing capabilities.
    

    """
def highest_Power_of_2(n):
    """
    Given the total number of social media posts awaiting moderation, determine the largest batch size (which must be a power of 2) that can be processed simultaneously without exceeding the total number of posts. This batch size will ensure optimal distribution of posts across available moderator teams while maintaining efficient parallel processing capabilities.
    

    """
    res = 0
    for i in range(n, 0, -1):
        if i & i - 1 == 0:
            res = i
            break
    return res